1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871
|
# frozen_string_literal: false
require 'test/unit'
class TestSyntax < Test::Unit::TestCase
using Module.new {
refine(Object) do
def `(s) #`
s
end
end
}
def assert_syntax_files(test)
srcdir = File.expand_path("../../..", __FILE__)
srcdir = File.join(srcdir, test)
assert_separately(%W[--disable-gem - #{srcdir}],
__FILE__, __LINE__, <<-'eom', timeout: Float::INFINITY)
dir = ARGV.shift
for script in Dir["#{dir}/**/*.rb"].sort
assert_valid_syntax(IO::read(script), script)
end
eom
end
def test_syntax_lib; assert_syntax_files("lib"); end
def test_syntax_sample; assert_syntax_files("sample"); end
def test_syntax_ext; assert_syntax_files("ext"); end
def test_syntax_test; assert_syntax_files("test"); end
def test_defined_empty_argument
bug8220 = '[ruby-core:53999] [Bug #8220]'
assert_ruby_status(%w[--disable-gem], 'puts defined? ()', bug8220)
end
def test_must_ascii_compatible
require 'tempfile'
f = Tempfile.new("must_ac_")
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
assert_nothing_raised(ArgumentError, enc.name) {load(f.path)}
end
Encoding.list.each do |enc|
next if enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
assert_raise(ArgumentError, enc.name) {load(f.path)}
end
ensure
f&.close!
end
def test_script_lines
require 'tempfile'
f = Tempfile.new("bug4361_")
bug4361 = '[ruby-dev:43168]'
with_script_lines do |debug_lines|
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-\n#----------------")
load(f.path)
assert_equal([f.path], debug_lines.keys)
assert_equal([enc, enc], debug_lines[f.path].map(&:encoding), bug4361)
end
end
ensure
f&.close!
end
def test_anonymous_block_forwarding
assert_syntax_error("def b; c(&); end", /no anonymous block parameter/)
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
begin;
def b(&); c(&) end
def c(&); yield 1 end
a = nil
b{|c| a = c}
assert_equal(1, a)
end;
end
def test_newline_in_block_parameters
bug = '[ruby-dev:45292]'
["", "a", "a, b"].product(["", ";x", [";", "x"]]) do |params|
params = ["|", *params, "|"].join("\n")
assert_valid_syntax("1.times{#{params}}", __FILE__, "#{bug} #{params.inspect}")
end
end
tap do |_,
bug6115 = '[ruby-dev:45308]',
blockcall = '["elem"].each_with_object [] do end',
methods = [['map', 'no'], ['inject([])', 'with']],
blocks = [['do end', 'do'], ['{}', 'brace']],
*|
[%w'. dot', %w':: colon'].product(methods, blocks) do |(c, n1), (m, n2), (b, n3)|
m = m.tr_s('()', ' ').strip if n2 == 'do'
name = "test_#{n3}_block_after_blockcall_#{n1}_#{n2}_arg"
code = "#{blockcall}#{c}#{m} #{b}"
define_method(name) {assert_valid_syntax(code, bug6115)}
end
end
def test_do_block_in_cmdarg
bug9726 = '[ruby-core:61950] [Bug #9726]'
assert_valid_syntax("tap (proc do end)", __FILE__, bug9726)
end
def test_hash_kwsplat_hash
kw = {}
h = {a: 1}
assert_equal({}, {**{}})
assert_equal({}, {**kw})
assert_equal(h, {**h})
assert_equal(false, {**{}}.frozen?)
assert_equal(false, {**kw}.equal?(kw))
assert_equal(false, {**h}.equal?(h))
end
def test_array_kwsplat_hash
kw = {}
h = {a: 1}
assert_equal([], [**{}])
assert_equal([], [**kw])
assert_equal([h], [**h])
assert_equal([{}], [{}])
assert_equal([kw], [kw])
assert_equal([h], [h])
assert_equal([1], [1, **{}])
assert_equal([1], [1, **kw])
assert_equal([1, h], [1, **h])
assert_equal([1, {}], [1, {}])
assert_equal([1, kw], [1, kw])
assert_equal([1, h], [1, h])
assert_equal([], [**kw, **kw])
assert_equal([], [**kw, **{}, **kw])
assert_equal([1], [1, **kw, **{}, **kw])
assert_equal([{}], [{}, **kw, **kw])
assert_equal([kw], [kw, **kw, **kw])
assert_equal([h], [h, **kw, **kw])
assert_equal([h, h], [h, **kw, **kw, **h])
assert_equal([h, {:a=>2}], [h, **{}, **h, a: 2])
assert_equal([h, h], [h, **{}, a: 2, **h])
assert_equal([h, h], [h, a: 2, **{}, **h])
assert_equal([h, h], [h, a: 2, **h, **{}])
assert_equal([h, {:a=>2}], [h, **h, a: 2, **{}])
assert_equal([h, {:a=>2}], [h, **h, **{}, a: 2])
end
def test_normal_argument
assert_valid_syntax('def foo(x) end')
assert_syntax_error('def foo(X) end', /constant/)
assert_syntax_error('def foo(@x) end', /instance variable/)
assert_syntax_error('def foo(@@x) end', /class variable/)
end
def test_optional_argument
assert_valid_syntax('def foo(x=nil) end')
assert_syntax_error('def foo(X=nil) end', /constant/)
assert_syntax_error('def foo(@x=nil) end', /instance variable/)
assert_syntax_error('def foo(@@x=nil) end', /class variable/)
end
def test_keyword_rest
bug5989 = '[ruby-core:42455]'
assert_valid_syntax("def kwrest_test(**a) a; end", __FILE__, bug5989)
assert_valid_syntax("def kwrest_test2(**a, &b) end", __FILE__, bug5989)
o = Object.new
def o.kw(**a) a end
assert_equal({}, o.kw, bug5989)
assert_equal({foo: 1}, o.kw(foo: 1), bug5989)
assert_equal({foo: 1, bar: 2}, o.kw(foo: 1, bar: 2), bug5989)
EnvUtil.under_gc_stress do
eval("def o.m(k: 0) k end")
end
assert_equal(42, o.m(k: 42), '[ruby-core:45744]')
bug7922 = '[ruby-core:52744] [Bug #7922]'
def o.bug7922(**) end
assert_nothing_raised(ArgumentError, bug7922) {o.bug7922(foo: 42)}
end
class KW2
def kw(k1: 1, k2: 2) [k1, k2] end
end
def test_keyword_splat
assert_valid_syntax("foo(**h)", __FILE__)
o = KW2.new
h = {k1: 11, k2: 12}
assert_equal([11, 12], o.kw(**h))
assert_equal([11, 12], o.kw(k2: 22, **h))
assert_equal([11, 22], o.kw(**h, **{k2: 22}))
assert_equal([11, 12], o.kw(**{k2: 22}, **h))
end
def test_keyword_duplicated_splat
bug10315 = '[ruby-core:65368] [Bug #10315]'
o = KW2.new
assert_equal([23, 2], o.kw(**{k1: 22}, **{k1: 23}), bug10315)
h = {k3: 31}
assert_raise(ArgumentError) {o.kw(**h)}
h = {"k1"=>11, k2: 12}
assert_raise(ArgumentError) {o.kw(**h)}
end
def test_keyword_duplicated
bug10315 = '[ruby-core:65625] [Bug #10315]'
a = []
def a.add(x) push(x); x; end
b = a.clone
def a.f(k:, **) k; end
def b.f(k:) k; end
a.clear
r = nil
assert_warn(/duplicated/) {r = eval("b.f(k: b.add(1), k: b.add(2))")}
assert_equal(2, r)
assert_equal([1, 2], b, bug10315)
b.clear
r = nil
assert_warn(/duplicated/) {r = eval("a.f(k: a.add(1), j: a.add(2), k: a.add(3), k: a.add(4))")}
assert_equal(4, r)
assert_equal([1, 2, 3, 4], a)
a.clear
r = nil
assert_warn(/duplicated/) {r = eval("b.f(**{k: b.add(1), k: b.add(2)})")}
assert_equal(2, r)
assert_equal([1, 2], b, bug10315)
b.clear
r = nil
assert_warn(/duplicated/) {r = eval("a.f(**{k: a.add(1), j: a.add(2), k: a.add(3), k: a.add(4)})")}
assert_equal(4, r)
assert_equal([1, 2, 3, 4], a)
end
def test_keyword_empty_splat
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
begin;
bug10719 = '[ruby-core:67446] [Bug #10719]'
assert_valid_syntax("foo(a: 1, **{})", bug10719)
end;
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
begin;
bug13756 = '[ruby-core:82113] [Bug #13756]'
assert_valid_syntax("defined? foo(**{})", bug13756)
end;
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
bug15271 = '[ruby-core:89648] [Bug #15271]'
assert_valid_syntax("a **{}", bug15271)
end;
end
def test_keyword_self_reference
message = /circular argument reference - var/
assert_syntax_error("def foo(var: defined?(var)) var end", message)
assert_syntax_error("def foo(var: var) var end", message)
assert_syntax_error("def foo(var: bar(var)) var end", message)
assert_syntax_error("def foo(var: bar {var}) var end", message)
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var: bar {|var| var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var: bar {| | var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var: bar {|| var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var: def bar(var) var; end) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("proc {|var: 1| var}")
end
end
def test_keyword_invalid_name
bug11663 = '[ruby-core:71356] [Bug #11663]'
assert_syntax_error('def foo(arg1?:) end', /arg1\?/, bug11663)
assert_syntax_error('def foo(arg1?:, arg2:) end', /arg1\?/, bug11663)
assert_syntax_error('proc {|arg1?:|}', /arg1\?/, bug11663)
assert_syntax_error('proc {|arg1?:, arg2:|}', /arg1\?/, bug11663)
bug10545 = '[ruby-dev:48742] [Bug #10545]'
assert_syntax_error('def foo(FOO: a) end', /constant/, bug10545)
assert_syntax_error('def foo(@foo: a) end', /instance variable/)
assert_syntax_error('def foo(@@foo: a) end', /class variable/)
end
def test_keywords_specified_and_not_accepted
assert_syntax_error('def foo(a:, **nil) end', /unexpected/)
assert_syntax_error('def foo(a:, **nil, &b) end', /unexpected/)
assert_syntax_error('def foo(**a, **nil) end', /unexpected/)
assert_syntax_error('def foo(**a, **nil, &b) end', /unexpected/)
assert_syntax_error('def foo(**nil, **a) end', /unexpected/)
assert_syntax_error('def foo(**nil, **a, &b) end', /unexpected/)
assert_syntax_error('proc do |a:, **nil| end', /unexpected/)
assert_syntax_error('proc do |a:, **nil, &b| end', /unexpected/)
assert_syntax_error('proc do |**a, **nil| end', /unexpected/)
assert_syntax_error('proc do |**a, **nil, &b| end', /unexpected/)
assert_syntax_error('proc do |**nil, **a| end', /unexpected/)
assert_syntax_error('proc do |**nil, **a, &b| end', /unexpected/)
end
def test_optional_self_reference
message = /circular argument reference - var/
assert_syntax_error("def foo(var = defined?(var)) var end", message)
assert_syntax_error("def foo(var = var) var end", message)
assert_syntax_error("def foo(var = bar(var)) var end", message)
assert_syntax_error("def foo(var = bar {var}) var end", message)
assert_syntax_error("def foo(var = (def bar;end; var)) var end", message)
assert_syntax_error("def foo(var = (def self.bar;end; var)) var end", message)
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var = bar {|var| var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var = bar {| | var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var = bar {|| var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var = def bar(var) var; end) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("proc {|var = 1| var}")
end
end
def test_warn_grouped_expression
bug5214 = '[ruby-core:39050]'
assert_warning("", bug5214) do
assert_valid_syntax("foo \\\n(\n true)", "test", verbose: true)
end
end
def test_warn_unreachable
assert_warning("test:3: warning: statement not reached\n") do
code = "loop do\n" "break\n" "foo\n" "end"
assert_valid_syntax(code, "test", verbose: true)
end
end
def test_warn_balanced
warning = <<WARN
test:1: warning: `%s' after local variable or literal is interpreted as binary operator
test:1: warning: even though it seems like %s
WARN
[
[:**, "argument prefix"],
[:*, "argument prefix"],
[:<<, "here document"],
[:&, "argument prefix"],
[:+, "unary operator"],
[:-, "unary operator"],
[:/, "regexp literal"],
[:%, "string literal"],
].each do |op, syn|
all_assertions do |a|
["puts 1 #{op}0", "puts :a #{op}0", "m = 1; puts m #{op}0"].each do |src|
a.for(src) do
assert_warning(warning % [op, syn], src) do
assert_valid_syntax(src, "test", verbose: true)
end
end
end
end
end
end
def test_cmd_symbol_after_keyword
bug6347 = '[ruby-dev:45563]'
assert_not_label(:foo, 'if true then not_label:foo end', bug6347)
assert_not_label(:foo, 'if false; else not_label:foo end', bug6347)
assert_not_label(:foo, 'begin not_label:foo end', bug6347)
assert_not_label(:foo, 'begin ensure not_label:foo end', bug6347)
end
def test_cmd_symbol_in_string
bug6347 = '[ruby-dev:45563]'
assert_not_label(:foo, '"#{not_label:foo}"', bug6347)
end
def test_cmd_symbol_singleton_class
bug6347 = '[ruby-dev:45563]'
@not_label = self
assert_not_label(:foo, 'class << not_label:foo; end', bug6347)
end
def test_cmd_symbol_superclass
bug6347 = '[ruby-dev:45563]'
@not_label = Object
assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347)
end
def test_no_label_with_percent
assert_syntax_error('{%"a": 1}', /unexpected ':'/)
assert_syntax_error("{%'a': 1}", /unexpected ':'/)
assert_syntax_error('{%Q"a": 1}', /unexpected ':'/)
assert_syntax_error("{%Q'a': 1}", /unexpected ':'/)
assert_syntax_error('{%q"a": 1}', /unexpected ':'/)
assert_syntax_error("{%q'a': 1}", /unexpected ':'/)
end
def test_block_after_cond
bug10653 = '[ruby-dev:48790] [Bug #10653]'
assert_valid_syntax("false ? raise {} : tap {}", bug10653)
assert_valid_syntax("false ? raise do end : tap do end", bug10653)
end
def test_paren_after_label
bug11456 = '[ruby-dev:49221] [Bug #11456]'
assert_valid_syntax("{foo: (1 rescue 0)}", bug11456)
assert_valid_syntax("{foo: /=/}", bug11456)
end
def test_percent_string_after_label
bug11812 = '[ruby-core:72084]'
assert_valid_syntax('{label:%w(*)}', bug11812)
assert_valid_syntax('{label: %w(*)}', bug11812)
end
def test_heredoc_after_label
bug11849 = '[ruby-core:72396] [Bug #11849]'
assert_valid_syntax("{label:<<DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label:<<-DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label:<<~DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label: <<DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label: <<-DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label: <<~DOC\n""DOC\n""}", bug11849)
end
def test_cmdarg_kwarg_lvar_clashing_method
bug12073 = '[ruby-core:73816] [Bug#12073]'
a = a = 1
assert_valid_syntax("a b: 1")
assert_valid_syntax("a = 1; a b: 1", bug12073)
end
def test_duplicated_arg
assert_syntax_error("def foo(a, a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, _) end")
(obj = Object.new).instance_eval("def foo(_, x, _) x end")
assert_equal(2, obj.foo(1, 2, 3))
end
def test_duplicated_rest
assert_syntax_error("def foo(a, *a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, *_) end")
(obj = Object.new).instance_eval("def foo(_, x, *_) x end")
assert_equal(2, obj.foo(1, 2, 3))
end
def test_duplicated_opt
assert_syntax_error("def foo(a, a=1) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, _=1) end")
(obj = Object.new).instance_eval("def foo(_, x, _=42) x end")
assert_equal(2, obj.foo(1, 2))
end
def test_duplicated_opt_rest
assert_syntax_error("def foo(a=1, *a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, *_) end")
(obj = Object.new).instance_eval("def foo(_, x=42, *_) x end")
assert_equal(42, obj.foo(1))
assert_equal(2, obj.foo(1, 2))
end
def test_duplicated_rest_opt
assert_syntax_error("def foo(*a, a=1) end", /duplicated argument name/)
end
def test_duplicated_rest_post
assert_syntax_error("def foo(*a, a) end", /duplicated argument name/)
assert_valid_syntax("def foo(*_, _) end")
(obj = Object.new).instance_eval("def foo(*_, x, _) x end")
assert_equal(2, obj.foo(1, 2, 3))
assert_equal(2, obj.foo(2, 3))
(obj = Object.new).instance_eval("def foo(*_, _, x) x end")
assert_equal(3, obj.foo(1, 2, 3))
assert_equal(3, obj.foo(2, 3))
end
def test_duplicated_opt_post
assert_syntax_error("def foo(a=1, a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, _) end")
(obj = Object.new).instance_eval("def foo(_=1, x, _) x end")
assert_equal(2, obj.foo(1, 2, 3))
assert_equal(2, obj.foo(2, 3))
(obj = Object.new).instance_eval("def foo(_=1, _, x) x end")
assert_equal(3, obj.foo(1, 2, 3))
assert_equal(3, obj.foo(2, 3))
end
def test_duplicated_kw
assert_syntax_error("def foo(a, a: 1) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, _: 1) end")
(obj = Object.new).instance_eval("def foo(_, x, _: 1) x end")
assert_equal(3, obj.foo(2, 3))
assert_equal(3, obj.foo(2, 3, _: 42))
(obj = Object.new).instance_eval("def foo(x, _, _: 1) x end")
assert_equal(2, obj.foo(2, 3))
assert_equal(2, obj.foo(2, 3, _: 42))
end
def test_duplicated_rest_kw
assert_syntax_error("def foo(*a, a: 1) end", /duplicated argument name/)
assert_nothing_raised {def foo(*_, _: 1) end}
(obj = Object.new).instance_eval("def foo(*_, x: 42, _: 1) x end")
assert_equal(42, obj.foo(42))
assert_equal(42, obj.foo(2, _: 0))
assert_equal(2, obj.foo(x: 2, _: 0))
end
def test_duplicated_opt_kw
assert_syntax_error("def foo(a=1, a: 1) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, _: 1) end")
(obj = Object.new).instance_eval("def foo(_=42, x, _: 1) x end")
assert_equal(0, obj.foo(0))
assert_equal(0, obj.foo(0, _: 3))
end
def test_duplicated_kw_kwrest
assert_syntax_error("def foo(a: 1, **a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_: 1, **_) end")
(obj = Object.new).instance_eval("def foo(_: 1, x: 42, **_) x end")
assert_equal(42, obj.foo())
assert_equal(42, obj.foo(a: 0))
assert_equal(42, obj.foo(_: 0, a: 0))
assert_equal(1, obj.foo(_: 0, x: 1, a: 0))
end
def test_duplicated_rest_kwrest
assert_syntax_error("def foo(*a, **a) end", /duplicated argument name/)
assert_valid_syntax("def foo(*_, **_) end")
(obj = Object.new).instance_eval("def foo(*_, x, **_) x end")
assert_equal(1, obj.foo(1))
assert_equal(1, obj.foo(1, a: 0))
assert_equal(2, obj.foo(1, 2, a: 0))
end
def test_duplicated_opt_kwrest
assert_syntax_error("def foo(a=1, **a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, **_) end")
(obj = Object.new).instance_eval("def foo(_=42, x, **_) x end")
assert_equal(1, obj.foo(1))
assert_equal(1, obj.foo(1, a: 0))
assert_equal(1, obj.foo(0, 1, a: 0))
end
def test_duplicated_when
w = 'warning: duplicated `when\' clause with line 3 is ignored'
assert_warning(/3: #{w}.+4: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m) {
eval %q{
case 1
when 1, 1
when 1, 1
when 1, 1
end
}
}
assert_warning(/#{w}/) {#/3: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){
a = a = 1
eval %q{
case 1
when 1, 1
when 1, a
when 1, 1
end
}
}
end
def test_duplicated_when_check_option
w = /duplicated `when\' clause with line 3 is ignored/
assert_in_out_err(%[-wc], "#{<<~"begin;"}\n#{<<~'end;'}", ["Syntax OK"], w)
begin;
case 1
when 1
when 1
end
end;
end
def test_invalid_break
assert_syntax_error("def m; break; end", /Invalid break/)
assert_syntax_error('/#{break}/', /Invalid break/)
assert_syntax_error('/#{break}/o', /Invalid break/)
end
def test_invalid_next
assert_syntax_error("def m; next; end", /Invalid next/)
assert_syntax_error('/#{next}/', /Invalid next/)
assert_syntax_error('/#{next}/o', /Invalid next/)
end
def test_lambda_with_space
feature6390 = '[ruby-dev:45605]'
assert_valid_syntax("-> (x, y) {}", __FILE__, feature6390)
end
def test_do_block_in_cmdarg_begin
bug6419 = '[ruby-dev:45631]'
assert_valid_syntax("p begin 1.times do 1 end end", __FILE__, bug6419)
end
def test_do_block_in_call_args
bug9308 = '[ruby-core:59342] [Bug #9308]'
assert_valid_syntax("bar def foo; self.each do end end", bug9308)
end
def test_do_block_in_lambda
bug11107 = '[ruby-core:69017] [Bug #11107]'
assert_valid_syntax('p ->() do a() do end end', bug11107)
end
def test_do_block_after_lambda
bug11380 = '[ruby-core:70067] [Bug #11380]'
assert_valid_syntax('p -> { :hello }, a: 1 do end', bug11380)
assert_valid_syntax('->(opt = (foo.[] bar)) {}')
assert_valid_syntax('->(opt = (foo.[]= bar)) {}')
assert_valid_syntax('->(opt = (foo.[] bar)) do end')
assert_valid_syntax('->(opt = (foo.[]= bar)) do end')
end
def test_reserved_method_no_args
bug6403 = '[ruby-dev:45626]'
assert_valid_syntax("def self; :foo; end", __FILE__, bug6403)
end
def test_unassignable
gvar = global_variables
%w[self nil true false __FILE__ __LINE__ __ENCODING__].each do |kwd|
assert_syntax_error("#{kwd} = nil", /Can't .* #{kwd}$/)
assert_equal(gvar, global_variables)
end
end
Bug7559 = '[ruby-dev:46737]'
def test_lineno_command_call_quote
expected = __LINE__ + 1
actual = caller_lineno "a
b
c
d
e"
assert_equal(expected, actual, "#{Bug7559}: ")
end
def assert_dedented_heredoc(expect, result, mesg = "")
all_assertions(mesg) do |a|
%w[eos "eos" 'eos' `eos`].each do |eos|
a.for(eos) do
assert_equal(eval("<<-#{eos}\n#{expect}eos\n"),
eval("<<~#{eos}\n#{result}eos\n"))
end
end
end
end
def test_dedented_heredoc_without_indentation
result = " y\n" \
"z\n"
expect = result
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_indentation
result = " a\n" \
" b\n"
expect = " a\n" \
"b\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_less_indented_line
# the blank line has two leading spaces
result = " a\n" \
" \n" \
" b\n"
expect = "a\n" \
"\n" \
"b\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_less_indented_line_escaped
result = " a\n" \
"\\ \\ \n" \
" b\n"
expect = result
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_more_indented_line
# the blank line has six leading spaces
result = " a\n" \
" \n" \
" b\n"
expect = "a\n" \
" \n" \
"b\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_more_indented_line_escaped
result = " a\n" \
"\\ \\ \\ \\ \\ \\ \n" \
" b\n"
expect = result
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_empty_line
result = " This would contain specially formatted text.\n" \
"\n" \
" That might span many lines\n"
expect = 'This would contain specially formatted text.'"\n" \
''"\n" \
'That might span many lines'"\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_interpolated_expression
result = ' #{1}a'"\n" \
" zy\n"
expect = ' #{1}a'"\n" \
"zy\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_interpolated_string
w = w = ""
result = " \#{mesg} a\n" \
" zy\n"
expect = '#{mesg} a'"\n" \
' zy'"\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_newline
bug11989 = '[ruby-core:72855] [Bug #11989] after escaped newline should not be dedented'
result = ' x\n'" y\n" \
" z\n"
expect = 'x\n'" y\n" \
"z\n"
assert_dedented_heredoc(expect, result, bug11989)
end
def test_dedented_heredoc_with_concatenation
bug11990 = '[ruby-core:72857] [Bug #11990] concatenated string should not be dedented'
%w[eos "eos" 'eos'].each do |eos|
assert_equal("x\n y",
eval("<<~#{eos} ' y'\n x\neos\n"),
"#{bug11990} with #{eos}")
end
%w[eos "eos" 'eos' `eos`].each do |eos|
_, expect = eval("[<<~#{eos}, ' x']\n"" y\n""eos\n")
assert_equal(' x', expect, bug11990)
end
end
def test_dedented_heredoc_expr_at_beginning
result = " a\n" \
'#{1}'"\n"
expected = " a\n" \
'#{1}'"\n"
assert_dedented_heredoc(expected, result)
end
def test_dedented_heredoc_expr_string
result = ' one#{" two "}'"\n"
expected = 'one#{" two "}'"\n"
assert_dedented_heredoc(expected, result)
end
def test_dedented_heredoc_continued_line
result = " 1\\\n" " 2\n"
expected = "1\\\n" "2\n"
assert_dedented_heredoc(expected, result)
assert_syntax_error("#{<<~"begin;"}\n#{<<~'end;'}", /can't find string "TEXT"/)
begin;
<<-TEXT
\
TEXT
end;
assert_syntax_error("#{<<~"begin;"}\n#{<<~'end;'}", /can't find string "TEXT"/)
begin;
<<~TEXT
\
TEXT
end;
assert_equal(" TEXT\n", eval("<<~eos\n" " \\\n" "TEXT\n" "eos\n"))
end
def test_lineno_after_heredoc
bug7559 = '[ruby-dev:46737]'
expected, _, actual = __LINE__, <<eom, __LINE__
a
b
c
d
eom
assert_equal(expected, actual, bug7559)
end
def test_dedented_heredoc_invalid_identifer
assert_syntax_error('<<~ "#{}"', /unexpected <</)
end
def test_dedented_heredoc_concatenation
assert_equal("\n0\n1", eval("<<~0 '1'\n \n0\#{}\n0"))
end
def test_heredoc_mixed_encoding
e = assert_syntax_error(<<-'HEREDOC', 'UTF-8 mixed within Windows-31J source')
#encoding: cp932
<<-TEXT
\xe9\x9d\u1234
TEXT
HEREDOC
assert_not_match(/end-of-input/, e.message)
e = assert_syntax_error(<<-'HEREDOC', 'UTF-8 mixed within Windows-31J source')
#encoding: cp932
<<-TEXT
\xe9\x9d
\u1234
TEXT
HEREDOC
assert_not_match(/end-of-input/, e.message)
e = assert_syntax_error(<<-'HEREDOC', 'UTF-8 mixed within Windows-31J source')
#encoding: cp932
<<-TEXT
\u1234\xe9\x9d
TEXT
HEREDOC
assert_not_match(/end-of-input/, e.message)
e = assert_syntax_error(<<-'HEREDOC', 'UTF-8 mixed within Windows-31J source')
#encoding: cp932
<<-TEXT
\u1234
\xe9\x9d
TEXT
HEREDOC
assert_not_match(/end-of-input/, e.message)
end
def test_lineno_operation_brace_block
expected = __LINE__ + 1
actual = caller_lineno\
{}
assert_equal(expected, actual)
end
def assert_constant_reassignment_nested(preset, op, expected, err = [], bug = '[Bug #5449]')
[
["p ", ""], # no-pop
["", "p Foo::Bar"], # pop
].each do |p1, p2|
src = <<-EOM.gsub(/^\s*\n/, '')
class Foo
#{"Bar = " + preset if preset}
end
#{p1}Foo::Bar #{op}= 42
#{p2}
EOM
msg = "\# #{bug}\n#{src}"
assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
assert_in_out_err([], src, expected, err, msg)
end
end
def test_constant_reassignment_nested
already = /already initialized constant Foo::Bar/
uninitialized = /uninitialized constant Foo::Bar/
assert_constant_reassignment_nested(nil, "||", %w[42])
assert_constant_reassignment_nested("false", "||", %w[42], already)
assert_constant_reassignment_nested("true", "||", %w[true])
assert_constant_reassignment_nested(nil, "&&", [], uninitialized)
assert_constant_reassignment_nested("false", "&&", %w[false])
assert_constant_reassignment_nested("true", "&&", %w[42], already)
assert_constant_reassignment_nested(nil, "+", [], uninitialized)
assert_constant_reassignment_nested("false", "+", [], /undefined method/)
assert_constant_reassignment_nested("11", "+", %w[53], already)
end
def assert_constant_reassignment_toplevel(preset, op, expected, err = [], bug = '[Bug #5449]')
[
["p ", ""], # no-pop
["", "p ::Bar"], # pop
].each do |p1, p2|
src = <<-EOM.gsub(/^\s*\n/, '')
#{"Bar = " + preset if preset}
class Foo
#{p1}::Bar #{op}= 42
#{p2}
end
EOM
msg = "\# #{bug}\n#{src}"
assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
assert_in_out_err([], src, expected, err, msg)
end
end
def test_constant_reassignment_toplevel
already = /already initialized constant Bar/
uninitialized = /uninitialized constant Bar/
assert_constant_reassignment_toplevel(nil, "||", %w[42])
assert_constant_reassignment_toplevel("false", "||", %w[42], already)
assert_constant_reassignment_toplevel("true", "||", %w[true])
assert_constant_reassignment_toplevel(nil, "&&", [], uninitialized)
assert_constant_reassignment_toplevel("false", "&&", %w[false])
assert_constant_reassignment_toplevel("true", "&&", %w[42], already)
assert_constant_reassignment_toplevel(nil, "+", [], uninitialized)
assert_constant_reassignment_toplevel("false", "+", [], /undefined method/)
assert_constant_reassignment_toplevel("11", "+", %w[53], already)
end
def test_integer_suffix
["1if true", "begin 1end"].each do |src|
assert_valid_syntax(src)
assert_equal(1, eval(src), src)
end
end
def test_value_of_def
assert_separately [], <<-EOS
assert_equal(:foo, (def foo; end))
assert_equal(:foo, (def (Object.new).foo; end))
EOS
end
def test_heredoc_cr
assert_syntax_error("puts <<""EOS\n""ng\n""EOS\r""NO\n", /can't find string "EOS" anywhere before EOF/)
end
def test_heredoc_no_terminator
assert_syntax_error("puts <<""A\n", /can't find string "A" anywhere before EOF/)
assert_syntax_error("puts <<""A + <<""B\n", /can't find string "A" anywhere before EOF/)
assert_syntax_error("puts <<""A + <<""B\n", /can't find string "B" anywhere before EOF/)
end
def test_unterminated_heredoc
assert_syntax_error("<<\"EOS\n\nEOS\n", /unterminated/)
assert_syntax_error("<<\"EOS\n\"\nEOS\n", /unterminated/)
end
def test_unterminated_heredoc_cr
%W[\r\n \n].each do |nl|
assert_syntax_error("<<\"\r\"#{nl}\r#{nl}", /unterminated/, nil, "CR with #{nl.inspect}")
end
end
def test__END___cr
assert_syntax_error("__END__\r<<<<<\n", /unexpected <</)
end
def test_warning_for_cr
feature8699 = '[ruby-core:56240] [Feature #8699]'
s = assert_warning(/encountered \\r/, feature8699) do
eval("'\r'\r")
end
assert_equal("\r", s)
s = assert_warning('') do
eval("'\r'\r\n")
end
assert_equal("\r", s)
end
def test_unexpected_fraction
msg = /unexpected fraction/
assert_syntax_error("0x0.0", msg)
assert_syntax_error("0b0.0", msg)
assert_syntax_error("0d0.0", msg)
assert_syntax_error("0o0.0", msg)
assert_syntax_error("0.0.0", msg)
end
def test_error_message_encoding
bug10114 = '[ruby-core:64228] [Bug #10114]'
code = "# -*- coding: utf-8 -*-\n" "def n \"\u{2208}\"; end"
assert_syntax_error(code, /def n "\u{2208}"; end/, bug10114)
end
def test_null_range_cmdarg
bug10957 = '[ruby-core:68477] [Bug #10957]'
assert_ruby_status(['-c', '-e', 'p ()..0'], "", bug10957)
assert_ruby_status(['-c', '-e', 'p ()...0'], "", bug10957)
assert_syntax_error('0..%q.', /unterminated string/, bug10957)
assert_syntax_error('0...%q.', /unterminated string/, bug10957)
end
def test_range_at_eol
assert_warn(/\.\.\. at EOL/) {eval("1...\n2")}
assert_warn('') {eval("(1...)")}
assert_warn('') {eval("(1...\n2)")}
assert_warn('') {eval("{a: 1...\n2}")}
assert_warn(/\.\.\. at EOL/) do
assert_valid_syntax('foo.[]= ...', verbose: true)
end
assert_warn(/\.\.\. at EOL/) do
assert_valid_syntax('foo.[] ...', verbose: true)
end
assert_warn(/\.\.\. at EOL/) do
assert_syntax_error('foo.[]= bar, ...', /unexpected/, verbose: true)
end
assert_warn(/\.\.\. at EOL/) do
assert_syntax_error('foo.[] bar, ...', /unexpected/, verbose: true)
end
end
def test_too_big_nth_ref
bug11192 = '[ruby-core:69393] [Bug #11192]'
assert_warn(/too big/, bug11192) do
eval('$99999999999999999')
end
end
def test_invalid_symbol_space
assert_syntax_error(": foo", /unexpected ':'/)
assert_syntax_error(": #\n foo", /unexpected ':'/)
assert_syntax_error(":#\n foo", /unexpected ':'/)
end
def test_invalid_literal_message
assert_syntax_error("def :foo", /unexpected symbol literal/)
assert_syntax_error("def 'foo'", /unexpected string literal/)
end
def test_fluent_dot
assert_valid_syntax("a\n.foo")
assert_valid_syntax("a\n&.foo")
assert_valid_syntax("a #\n#\n.foo\n")
assert_valid_syntax("a #\n#\n&.foo\n")
end
def test_safe_call_in_massign_lhs
assert_syntax_error("*a&.x=0", /multiple assignment destination/)
assert_syntax_error("a&.x,=0", /multiple assignment destination/)
end
def test_no_warning_logop_literal
assert_warning("") do
eval("true||raise;nil")
end
assert_warning("") do
eval("false&&raise;nil")
end
assert_warning("") do
eval("''||raise;nil")
end
end
def test_warning_literal_in_condition
assert_warn(/string literal in condition/) do
eval('1 if ""')
end
assert_warn(/regex literal in condition/) do
eval('1 if //')
end
assert_warning(/literal in condition/) do
eval('1 if 1')
end
assert_warning(/symbol literal in condition/) do
eval('1 if :foo')
end
assert_warning(/symbol literal in condition/) do
eval('1 if :"#{"foo".upcase}"')
end
assert_warn('') do
eval('1 if !""')
end
assert_warn('') do
eval('1 if !//')
end
assert_warn('') do
eval('1 if !(true..false)')
end
assert_warning('') do
eval('1 if !1')
end
assert_warning('') do
eval('1 if !:foo')
end
assert_warning('') do
eval('1 if !:"#{"foo".upcase}"')
end
end
def test_warning_literal_in_flip_flop
assert_warn(/literal in flip-flop/) do
eval('1 if ""..false')
end
assert_warning(/literal in flip-flop/) do
eval('1 if :foo..false')
end
assert_warning(/literal in flip-flop/) do
eval('1 if :"#{"foo".upcase}"..false')
end
assert_warn(/literal in flip-flop/) do
eval('1 if ""...false')
end
assert_warning(/literal in flip-flop/) do
eval('1 if :foo...false')
end
assert_warning(/literal in flip-flop/) do
eval('1 if :"#{"foo".upcase}"...false')
end
end
def test_alias_symbol
bug8851 = '[ruby-dev:47681] [Bug #8851]'
formats = ['%s', ":'%s'", ':"%s"', '%%s(%s)']
all_assertions(bug8851) do |all|
formats.product(formats) do |form1, form2|
all.for(code = "alias #{form1 % 'a'} #{form2 % 'p'}") do
assert_valid_syntax(code)
end
end
end
end
def test_undef_symbol
bug8851 = '[ruby-dev:47681] [Bug #8851]'
formats = ['%s', ":'%s'", ':"%s"', '%%s(%s)']
all_assertions(bug8851) do |all|
formats.product(formats) do |form1, form2|
all.for(code = "undef #{form1 % 'a'}, #{form2 % 'p'}") do
assert_valid_syntax(code)
end
end
end
end
def test_parenthesised_statement_argument
assert_syntax_error("foo(bar rescue nil)", /unexpected `rescue' modifier/)
assert_valid_syntax("foo (bar rescue nil)")
end
def test_cmdarg_in_paren
bug11873 = '[ruby-core:72482] [Bug #11873]'
assert_valid_syntax %q{a b{c d}, :e do end}, bug11873
assert_valid_syntax %q{a b(c d), :e do end}, bug11873
assert_valid_syntax %q{a b{c(d)}, :e do end}, bug11873
assert_valid_syntax %q{a b(c(d)), :e do end}, bug11873
assert_valid_syntax %q{a b{c d}, 1 do end}, bug11873
assert_valid_syntax %q{a b(c d), 1 do end}, bug11873
assert_valid_syntax %q{a b{c(d)}, 1 do end}, bug11873
assert_valid_syntax %q{a b(c(d)), 1 do end}, bug11873
assert_valid_syntax %q{a b{c d}, "x" do end}, bug11873
assert_valid_syntax %q{a b(c d), "x" do end}, bug11873
assert_valid_syntax %q{a b{c(d)}, "x" do end}, bug11873
assert_valid_syntax %q{a b(c(d)), "x" do end}, bug11873
end
def test_block_after_cmdarg_in_paren
bug11873 = '[ruby-core:72482] [Bug #11873]'
def bug11873.p(*);end;
assert_raise(LocalJumpError, bug11873) do
bug11873.instance_eval do
p p{p p;p(p)}, tap do
raise SyntaxError, "should not be passed to tap"
end
end
end
assert_raise(LocalJumpError, bug11873) do
bug11873.instance_eval do
p p{p(p);p p}, tap do
raise SyntaxError, "should not be passed to tap"
end
end
end
end
def test_do_block_in_hash_brace
bug13073 = '[ruby-core:78837] [Bug #13073]'
assert_valid_syntax 'p :foo, {a: proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {:a => proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {"a": proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {** proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {proc do end => proc do end, b: proc do end}', bug13073
end
def test_do_after_local_variable
obj = Object.new
def obj.m; yield; end
result = assert_nothing_raised(SyntaxError) do
obj.instance_eval("m = 1; m do :ok end")
end
assert_equal(:ok, result)
end
def test_brace_after_local_variable
obj = Object.new
def obj.m; yield; end
result = assert_nothing_raised(SyntaxError) do
obj.instance_eval("m = 1; m {:ok}")
end
assert_equal(:ok, result)
end
def test_brace_after_literal_argument
bug = '[ruby-core:81037] [Bug #13547]'
error = /unexpected '{'/
assert_syntax_error('m "x" {}', error)
assert_syntax_error('m 1 {}', error, bug)
assert_syntax_error('m 1.0 {}', error, bug)
assert_syntax_error('m :m {}', error, bug)
assert_syntax_error('m :"#{m}" {}', error, bug)
assert_syntax_error('m ?x {}', error, bug)
assert_syntax_error('m %[] {}', error, bug)
assert_syntax_error('m 0..1 {}', error, bug)
assert_syntax_error('m [] {}', error, bug)
end
def test_return_toplevel
feature4840 = '[ruby-core:36785] [Feature #4840]'
line = __LINE__+2
code = "#{<<~"begin;"}#{<<~'end;'}"
begin;
return; raise
begin return; rescue SystemExit; exit false; end
begin return; ensure puts "ensured"; end #=> ensured
begin ensure return; end
begin raise; ensure; return; end
begin raise; rescue; return; end
return false; raise
return 1; raise
"#{return}"
raise((return; "should not raise"))
begin raise; ensure return; end; self
begin raise; ensure return; end and self
nil&defined?0--begin e=no_method_error(); return; 0;end
return puts('ignored') #=> ignored
end;
.split(/\n/).map {|s|[(line+=1), *s.split(/#=> /, 2)]}
failed = proc do |n, s|
RubyVM::InstructionSequence.compile(s, __FILE__, nil, n).disasm
end
Tempfile.create(%w"test_return_ .rb") do |lib|
lib.close
args = %W[-W0 -r#{lib.path}]
all_assertions_foreach(feature4840, *[:main, :lib].product([:class, :top], code)) do |main, klass, (n, s, *ex)|
if klass == :class
s = "class X; #{s}; end"
if main == :main
assert_in_out_err(%[-W0], s, [], /return/, proc {failed[n, s]}, success: false)
else
File.write(lib, s)
assert_in_out_err(args, "", [], /return/, proc {failed[n, s]}, success: false)
end
else
if main == :main
assert_in_out_err(%[-W0], s, ex, [], proc {failed[n, s]}, success: true)
else
File.write(lib, s)
assert_in_out_err(args, "", ex, [], proc {failed[n, s]}, success: true)
end
end
end
end
end
def test_return_toplevel_with_argument
assert_warn(/argument of top-level return is ignored/) {eval("return 1")}
end
def test_return_in_proc_in_class
assert_in_out_err(['-e', 'class TestSyntax; proc{ return }.call; end'], "", [], /^-e:1:.*unexpected return \(LocalJumpError\)/)
end
def test_syntax_error_in_rescue
bug12613 = '[ruby-core:76531] [Bug #12613]'
assert_syntax_error("#{<<-"begin;"}\n#{<<-"end;"}", /Invalid retry/, bug12613)
begin;
while true
begin
p
rescue
retry
else
retry
end
break
end
end;
end
def test_syntax_error_at_newline
expected = "\n ^"
assert_syntax_error("%[abcdef", expected)
assert_syntax_error("%[abcdef\n", expected)
end
def test_invalid_jump
assert_in_out_err(%w[-e redo], "", [], /^-e:1: /)
end
def test_keyword_not_parens
assert_valid_syntax("not()")
end
def test_rescue_do_end_raised
result = []
assert_raise(RuntimeError) do
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
tap do
result << :begin
raise "An exception occurred!"
ensure
result << :ensure
end
end;
end
assert_equal([:begin, :ensure], result)
end
def test_rescue_do_end_rescued
result = []
assert_nothing_raised(RuntimeError) do
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
tap do
result << :begin
raise "An exception occurred!"
rescue
result << :rescue
else
result << :else
ensure
result << :ensure
end
end;
end
assert_equal([:begin, :rescue, :ensure], result)
end
def test_rescue_do_end_no_raise
result = []
assert_nothing_raised(RuntimeError) do
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
tap do
result << :begin
rescue
result << :rescue
else
result << :else
ensure
result << :ensure
end
end;
end
assert_equal([:begin, :else, :ensure], result)
end
def test_rescue_do_end_ensure_result
result = eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
proc do
:begin
ensure
:ensure
end.call
end;
assert_equal(:begin, result)
end
def test_rescue_do_end_ensure_in_lambda
result = []
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
-> do
result << :begin
raise "An exception occurred!"
rescue
result << :rescue
else
result << :else
ensure
result << :ensure
end.call
end;
assert_equal([:begin, :rescue, :ensure], result)
end
def test_return_in_loop
obj = Object.new
def obj.test
x = nil
return until x unless x
end
assert_nil obj.test
end
def test_assignment_return_in_loop
obj = Object.new
def obj.test
x = nil
_y = (return until x unless x)
end
assert_nil obj.test, "[Bug #16695]"
end
def test_method_call_location
line = __LINE__+5
e = assert_raise(NoMethodError) do
1.upto(0) do
end
.
foo(
1,
2,
)
end
assert_equal(line, e.backtrace_locations[0].lineno)
line = __LINE__+5
e = assert_raise(NoMethodError) do
1.upto 0 do
end
.
foo(
1,
2,
)
end
assert_equal(line, e.backtrace_locations[0].lineno)
end
def test_methoddef_endless
assert_valid_syntax('private def foo = 42')
assert_valid_syntax('private def foo() = 42')
assert_valid_syntax('private def inc(x) = x + 1')
assert_valid_syntax('private def obj.foo = 42')
assert_valid_syntax('private def obj.foo() = 42')
assert_valid_syntax('private def obj.inc(x) = x + 1')
k = Class.new do
class_eval('def rescued(x) = raise("to be caught") rescue "instance #{x}"')
class_eval('def self.rescued(x) = raise("to be caught") rescue "class #{x}"')
end
assert_equal("class ok", k.rescued("ok"))
assert_equal("instance ok", k.new.rescued("ok"))
error = /setter method cannot be defined in an endless method definition/
assert_syntax_error('def foo=() = 42', error)
assert_syntax_error('def obj.foo=() = 42', error)
assert_syntax_error('def foo=() = 42 rescue nil', error)
assert_syntax_error('def obj.foo=() = 42 rescue nil', error)
end
def test_methoddef_endless_command
assert_valid_syntax('def foo = puts "Hello"')
assert_valid_syntax('def foo() = puts "Hello"')
assert_valid_syntax('def foo(x) = puts x')
assert_valid_syntax('def obj.foo = puts "Hello"')
assert_valid_syntax('def obj.foo() = puts "Hello"')
assert_valid_syntax('def obj.foo(x) = puts x')
k = Class.new do
class_eval('def rescued(x) = raise "to be caught" rescue "instance #{x}"')
class_eval('def self.rescued(x) = raise "to be caught" rescue "class #{x}"')
end
assert_equal("class ok", k.rescued("ok"))
assert_equal("instance ok", k.new.rescued("ok"))
# Current technical limitation: cannot prepend "private" or something for command endless def
error = /syntax error, unexpected string literal/
error2 = /syntax error, unexpected local variable or method/
assert_syntax_error('private def foo = puts "Hello"', error)
assert_syntax_error('private def foo() = puts "Hello"', error)
assert_syntax_error('private def foo(x) = puts x', error2)
assert_syntax_error('private def obj.foo = puts "Hello"', error)
assert_syntax_error('private def obj.foo() = puts "Hello"', error)
assert_syntax_error('private def obj.foo(x) = puts x', error2)
end
def test_methoddef_in_cond
assert_valid_syntax('while def foo; tap do end; end; break; end')
assert_valid_syntax('while def foo a = tap do end; end; break; end')
end
def test_classdef_in_cond
assert_valid_syntax('while class Foo; tap do end; end; break; end')
assert_valid_syntax('while class Foo a = tap do end; end; break; end')
end
def test_command_with_cmd_brace_block
assert_valid_syntax('obj.foo (1) {}')
assert_valid_syntax('obj::foo (1) {}')
end
def test_numbered_parameter
assert_valid_syntax('proc {_1}')
assert_equal(3, eval('[1,2].then {_1+_2}'))
assert_equal("12", eval('[1,2].then {"#{_1}#{_2}"}'))
assert_equal([1, 2], eval('[1,2].then {_1}'))
assert_equal(3, eval('->{_1+_2}.call(1,2)'))
assert_equal(4, eval('->(a=->{_1}){a}.call.call(4)'))
assert_equal(5, eval('-> a: ->{_1} {a}.call.call(5)'))
assert_syntax_error('proc {|| _1}', /ordinary parameter is defined/)
assert_syntax_error('proc {|;a| _1}', /ordinary parameter is defined/)
assert_syntax_error("proc {|\n| _1}", /ordinary parameter is defined/)
assert_syntax_error('proc {|x| _1}', /ordinary parameter is defined/)
assert_syntax_error('proc {_1; proc {_2}}', /numbered parameter is already used/)
assert_syntax_error('proc {proc {_1}; _2}', /numbered parameter is already used/)
assert_syntax_error('->(){_1}', /ordinary parameter is defined/)
assert_syntax_error('->(x){_1}', /ordinary parameter is defined/)
assert_syntax_error('->x{_1}', /ordinary parameter is defined/)
assert_syntax_error('->x:_2{}', /ordinary parameter is defined/)
assert_syntax_error('->x=_1{}', /ordinary parameter is defined/)
assert_syntax_error('-> {_1; -> {_2}}', /numbered parameter is already used/)
assert_syntax_error('-> {-> {_1}; _2}', /numbered parameter is already used/)
assert_syntax_error('proc {_1; _1 = nil}', /Can't assign to numbered parameter _1/)
assert_syntax_error('proc {_1 = nil}', /_1 is reserved for numbered parameter/)
assert_syntax_error('_2=1', /_2 is reserved for numbered parameter/)
assert_syntax_error('proc {|_3|}', /_3 is reserved for numbered parameter/)
assert_syntax_error('def x(_4) end', /_4 is reserved for numbered parameter/)
assert_syntax_error('def _5; end', /_5 is reserved for numbered parameter/)
assert_syntax_error('def self._6; end', /_6 is reserved for numbered parameter/)
assert_raise_with_message(NameError, /undefined local variable or method `_1'/) {
eval('_1')
}
['class C', 'class << C', 'module M', 'def m', 'def o.m'].each do |c|
assert_valid_syntax("->{#{c};->{_1};end;_1}\n")
assert_valid_syntax("->{_1;#{c};->{_1};end}\n")
end
1.times {
[
_1,
assert_equal([:a], eval("[:a].map{_1}")),
assert_raise(NameError) {eval("_1")},
]
}
end
def test_value_expr_in_condition
mesg = /void value expression/
assert_syntax_error("tap {a = (true ? next : break)}", mesg)
assert_valid_syntax("tap {a = (true ? true : break)}")
assert_valid_syntax("tap {a = (break if false)}")
assert_valid_syntax("tap {a = (break unless true)}")
end
def test_tautological_condition
assert_valid_syntax("def f() return if false and invalid; nil end")
assert_valid_syntax("def f() return unless true or invalid; nil end")
end
def test_argument_forwarding
assert_valid_syntax('def foo(...) bar(...) end')
assert_valid_syntax('def foo(...) end')
assert_valid_syntax('def foo(a, ...) bar(...) end')
assert_valid_syntax("def foo ...\n bar(...)\nend")
assert_valid_syntax("def foo a, ...\n bar(...)\nend")
assert_valid_syntax("def foo b = 1, ...\n bar(...)\nend")
assert_valid_syntax("def foo ...; bar(...); end")
assert_valid_syntax("def foo a, ...; bar(...); end")
assert_valid_syntax("def foo b = 1, ...; bar(...); end")
assert_valid_syntax("(def foo ...\n bar(...)\nend)")
assert_valid_syntax("(def foo ...; bar(...); end)")
assert_valid_syntax('def ==(...) end')
assert_valid_syntax('def [](...) end')
assert_valid_syntax('def nil(...) end')
assert_valid_syntax('def true(...) end')
assert_valid_syntax('def false(...) end')
unexpected = /unexpected \.{3}/
assert_syntax_error('iter do |...| end', /unexpected/)
assert_syntax_error('iter {|...|}', /unexpected/)
assert_syntax_error('->... {}', unexpected)
assert_syntax_error('->(...) {}', unexpected)
assert_syntax_error('def foo(x, y, z) bar(...); end', /unexpected/)
assert_syntax_error('def foo(x, y, z) super(...); end', /unexpected/)
assert_syntax_error('def foo(...) yield(...); end', /unexpected/)
assert_syntax_error('def foo(...) return(...); end', /unexpected/)
assert_syntax_error('def foo(...) a = (...); end', /unexpected/)
assert_syntax_error('def foo(...) [...]; end', /unexpected/)
assert_syntax_error('def foo(...) foo[...]; end', /unexpected/)
assert_syntax_error('def foo(...) foo[...] = x; end', /unexpected/)
assert_syntax_error('def foo(...) foo(...) { }; end', /both block arg and actual block given/)
assert_syntax_error('def foo(...) defined?(...); end', /unexpected/)
obj1 = Object.new
def obj1.bar(*args, **kws, &block)
if block
block.call(args, kws)
else
[args, kws]
end
end
obj4 = obj1.clone
obj5 = obj1.clone
obj1.instance_eval('def foo(...) bar(...) end', __FILE__, __LINE__)
obj4.instance_eval("def foo ...\n bar(...)\n""end", __FILE__, __LINE__)
obj5.instance_eval("def foo ...; bar(...); end", __FILE__, __LINE__)
klass = Class.new {
def foo(*args, **kws, &block)
if block
block.call(args, kws)
else
[args, kws]
end
end
}
obj2 = klass.new
obj2.instance_eval('def foo(...) super(...) end', __FILE__, __LINE__)
obj3 = Object.new
def obj3.bar(*args, &block)
if kws = Hash.try_convert(args.last)
args.pop
else
kws = {}
end
if block
block.call(args, kws)
else
[args, kws]
end
end
obj3.instance_eval('def foo(...) bar(...) end', __FILE__, __LINE__)
[obj1, obj2, obj3, obj4, obj5].each do |obj|
assert_warning('') {
assert_equal([[1, 2, 3], {k1: 4, k2: 5}], obj.foo(1, 2, 3, k1: 4, k2: 5) {|*x| x})
}
assert_warning('') {
assert_equal([[1, 2, 3], {k1: 4, k2: 5}], obj.foo(1, 2, 3, k1: 4, k2: 5))
}
array = obj == obj3 ? [] : [{}]
assert_warning('') {
assert_equal([array, {}], obj.foo({}) {|*x| x})
}
assert_warning('') {
assert_equal([array, {}], obj.foo({}))
}
assert_equal(-1, obj.method(:foo).arity)
parameters = obj.method(:foo).parameters
assert_equal(:rest, parameters.dig(0, 0))
assert_equal(:keyrest, parameters.dig(1, 0))
assert_equal(:block, parameters.dig(2, 0))
end
end
def test_argument_forwarding_with_leading_arguments
obj = Object.new
def obj.bar(*args, **kws, &block)
if block
block.call(args, kws)
else
[args, kws]
end
end
obj.instance_eval('def foo(_a, ...) bar(...) end', __FILE__, __LINE__)
assert_equal [[], {}], obj.foo(1)
assert_equal [[2], {}], obj.foo(1, 2)
assert_equal [[2, 3], {}], obj.foo(1, 2, 3)
assert_equal [[], {a: 1}], obj.foo(1, a: 1)
assert_equal [[2], {a: 1}], obj.foo(1, 2, a: 1)
assert_equal [[2, 3], {a: 1}], obj.foo(1, 2, 3, a: 1)
assert_equal [[2, 3], {a: 1}], obj.foo(1, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(...) bar(1, ...) end', __FILE__, __LINE__)
assert_equal [[1], {}], obj.foo
assert_equal [[1, 1], {}], obj.foo(1)
assert_equal [[1, 1, 2], {}], obj.foo(1, 2)
assert_equal [[1, 1, 2, 3], {}], obj.foo(1, 2, 3)
assert_equal [[1], {a: 1}], obj.foo(a: 1)
assert_equal [[1, 1], {a: 1}], obj.foo(1, a: 1)
assert_equal [[1, 1, 2], {a: 1}], obj.foo(1, 2, a: 1)
assert_equal [[1, 1, 2, 3], {a: 1}], obj.foo(1, 2, 3, a: 1)
assert_equal [[1, 1, 2, 3], {a: 1}], obj.foo(1, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(a, ...) bar(a, ...) end', __FILE__, __LINE__)
assert_equal [[4], {}], obj.foo(4)
assert_equal [[4, 2], {}], obj.foo(4, 2)
assert_equal [[4, 2, 3], {}], obj.foo(4, 2, 3)
assert_equal [[4], {a: 1}], obj.foo(4, a: 1)
assert_equal [[4, 2], {a: 1}], obj.foo(4, 2, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(_a, ...) bar(1, ...) end', __FILE__, __LINE__)
assert_equal [[1], {}], obj.foo(4)
assert_equal [[1, 2], {}], obj.foo(4, 2)
assert_equal [[1, 2, 3], {}], obj.foo(4, 2, 3)
assert_equal [[1], {a: 1}], obj.foo(4, a: 1)
assert_equal [[1, 2], {a: 1}], obj.foo(4, 2, a: 1)
assert_equal [[1, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1)
assert_equal [[1, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(_a, _b, ...) bar(...) end', __FILE__, __LINE__)
assert_equal [[], {}], obj.foo(4, 5)
assert_equal [[2], {}], obj.foo(4, 5, 2)
assert_equal [[2, 3], {}], obj.foo(4, 5, 2, 3)
assert_equal [[], {a: 1}], obj.foo(4, 5, a: 1)
assert_equal [[2], {a: 1}], obj.foo(4, 5, 2, a: 1)
assert_equal [[2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1)
assert_equal [[2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(_a, _b, ...) bar(1, ...) end', __FILE__, __LINE__)
assert_equal [[1], {}], obj.foo(4, 5)
assert_equal [[1, 2], {}], obj.foo(4, 5, 2)
assert_equal [[1, 2, 3], {}], obj.foo(4, 5, 2, 3)
assert_equal [[1], {a: 1}], obj.foo(4, 5, a: 1)
assert_equal [[1, 2], {a: 1}], obj.foo(4, 5, 2, a: 1)
assert_equal [[1, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1)
assert_equal [[1, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(_a, ...) bar(1, 2, ...) end', __FILE__, __LINE__)
assert_equal [[1, 2], {}], obj.foo(5)
assert_equal [[1, 2, 5], {}], obj.foo(4, 5)
assert_equal [[1, 2, 5, 2], {}], obj.foo(4, 5, 2)
assert_equal [[1, 2, 5, 2, 3], {}], obj.foo(4, 5, 2, 3)
assert_equal [[1, 2, 5], {a: 1}], obj.foo(4, 5, a: 1)
assert_equal [[1, 2, 5, 2], {a: 1}], obj.foo(4, 5, 2, a: 1)
assert_equal [[1, 2, 5, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1)
assert_equal [[1, 2, 5, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(a, b, ...) bar(b, a, ...) end', __FILE__, __LINE__)
assert_equal [[5, 4], {}], obj.foo(4, 5)
assert_equal [[5, 4, 2], {}], obj.foo(4, 5, 2)
assert_equal [[5, 4, 2, 3], {}], obj.foo(4, 5, 2, 3)
assert_equal [[5, 4], {a: 1}], obj.foo(4, 5, a: 1)
assert_equal [[5, 4, 2], {a: 1}], obj.foo(4, 5, 2, a: 1)
assert_equal [[5, 4, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1)
assert_equal [[5, 4, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(a, _b, ...) bar(a, ...) end', __FILE__, __LINE__)
assert_equal [[4], {}], obj.foo(4, 5)
assert_equal [[4, 2], {}], obj.foo(4, 5, 2)
assert_equal [[4, 2, 3], {}], obj.foo(4, 5, 2, 3)
assert_equal [[4], {a: 1}], obj.foo(4, 5, a: 1)
assert_equal [[4, 2], {a: 1}], obj.foo(4, 5, 2, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval('def foo(a, ...) bar(a, 1, ...) end', __FILE__, __LINE__)
assert_equal [[4, 1], {}], obj.foo(4)
assert_equal [[4, 1, 5], {}], obj.foo(4, 5)
assert_equal [[4, 1, 5, 2], {}], obj.foo(4, 5, 2)
assert_equal [[4, 1, 5, 2, 3], {}], obj.foo(4, 5, 2, 3)
assert_equal [[4, 1, 5], {a: 1}], obj.foo(4, 5, a: 1)
assert_equal [[4, 1, 5, 2], {a: 1}], obj.foo(4, 5, 2, a: 1)
assert_equal [[4, 1, 5, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1)
assert_equal [[4, 1, 5, 2, 3], {a: 1}], obj.foo(4, 5, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval("def foo a, ...\n bar(a, ...)\n"" end", __FILE__, __LINE__)
assert_equal [[4], {}], obj.foo(4)
assert_equal [[4, 2], {}], obj.foo(4, 2)
assert_equal [[4, 2, 3], {}], obj.foo(4, 2, 3)
assert_equal [[4], {a: 1}], obj.foo(4, a: 1)
assert_equal [[4, 2], {a: 1}], obj.foo(4, 2, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1){|args, kws| [args, kws]}
obj.singleton_class.send(:remove_method, :foo)
obj.instance_eval("def foo a, ...; bar(a, ...); end", __FILE__, __LINE__)
assert_equal [[4], {}], obj.foo(4)
assert_equal [[4, 2], {}], obj.foo(4, 2)
assert_equal [[4, 2, 3], {}], obj.foo(4, 2, 3)
assert_equal [[4], {a: 1}], obj.foo(4, a: 1)
assert_equal [[4, 2], {a: 1}], obj.foo(4, 2, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1)
assert_equal [[4, 2, 3], {a: 1}], obj.foo(4, 2, 3, a: 1){|args, kws| [args, kws]}
exp = eval("-> (a: nil) {a...1}")
assert_equal 0...1, exp.call(a: 0)
end
def test_cdhash
assert_separately([], <<-RUBY)
n = case 1 when 2r then false else true end
assert_equal(n, true, '[ruby-core:103759] [Bug #17854]')
RUBY
assert_separately([], <<-RUBY)
n = case 3/2r when 1.5r then true else false end
assert_equal(n, true, '[ruby-core:103759] [Bug #17854]')
RUBY
assert_separately([], <<-RUBY)
n = case 1i when 1i then true else false end
assert_equal(n, true, '[ruby-core:103759] [Bug #17854]')
RUBY
end
private
def not_label(x) @result = x; @not_label ||= nil end
def assert_not_label(expected, src, message = nil)
@result = nil
assert_nothing_raised(SyntaxError, message) {eval(src)}
assert_equal(expected, @result, message)
end
def make_tmpsrc(f, src)
f.open
f.truncate(0)
f.puts(src)
f.close
end
def with_script_lines
script_lines = nil
debug_lines = {}
Object.class_eval do
if defined?(SCRIPT_LINES__)
script_lines = SCRIPT_LINES__
remove_const :SCRIPT_LINES__
end
const_set(:SCRIPT_LINES__, debug_lines)
end
yield debug_lines
ensure
Object.class_eval do
remove_const :SCRIPT_LINES__
const_set(:SCRIPT_LINES__, script_lines) if script_lines
end
end
def caller_lineno(*)
caller_locations(1, 1)[0].lineno
end
end
|