# coding=utf8 """ Test lldb-mi -gdb-set and -gdb-show commands for 'print option-name'. """ from __future__ import print_function import lldbmi_testcase from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil class MiGdbSetShowTestCase(lldbmi_testcase.MiTestCaseBase): mydir = TestBase.compute_mydir(__file__) # evaluates array when char-array-as-string is off def eval_and_check_array(self, var, typ, length): self.runCmd("-var-create - * %s" % var) self.expect( '\^done,name="var\d+",numchild="%d",value="\[%d\]",type="%s \[%d\]",thread-id="1",has_more="0"' % (length, length, typ, length)) # evaluates any type which can be represented as string of characters def eval_and_match_string(self, var, value, typ): value = value.replace("\\", "\\\\").replace("\"", "\\\"") self.runCmd("-var-create - * " + var) self.expect( '\^done,name="var\d+",numchild="[0-9]+",value="%s",type="%s",thread-id="1",has_more="0"' % (value, typ)) @skipIfWindows # llvm.org/pr24452: Get lldb-mi working on Windows @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots @skipIfRemote # We do not currently support remote debugging via the MI. def test_lldbmi_gdb_set_show_print_char_array_as_string(self): """Test that 'lldb-mi --interpreter' can print array of chars as string.""" self.spawnLldbMi(args=None) # Load executable self.runCmd("-file-exec-and-symbols %s" % self.myexe) self.expect("\^done") # Run to BP_gdb_set_show_print_char_array_as_string_test line = line_number( 'main.cpp', '// BP_gdb_set_show_print_char_array_as_string_test') self.runCmd("-break-insert main.cpp:%d" % line) self.expect("\^done,bkpt={number=\"1\"") self.runCmd("-exec-run") self.expect("\^running") self.expect("\*stopped,reason=\"breakpoint-hit\"") # Test that default print char-array-as-string value is "off" self.runCmd("-gdb-show print char-array-as-string") self.expect("\^done,value=\"off\"") # Test that a char* is expanded to string when print # char-array-as-string is "off" self.eval_and_match_string( "cp", r'0x[0-9a-f]+ \"\\t\\\"hello\\\"\\n\"', r'const char \*') # Test that a char[] isn't expanded to string when print # char-array-as-string is "off" self.eval_and_check_array("ca", "const char", 10) # Test that a char16_t* is expanded to string when print # char-array-as-string is "off" self.eval_and_match_string( "u16p", r'0x[0-9a-f]+ u\"\\t\\\"hello\\\"\\n\"', r'const char16_t \*') # Test that a char16_t[] isn't expanded to string when print # char-array-as-string is "off" self.eval_and_check_array("u16a", "const char16_t", 10) # Test that a char32_t* is expanded to string when print # char-array-as-string is "off" self.eval_and_match_string( "u32p", r'0x[0-9a-f]+ U\"\\t\\\"hello\\\"\\n\"', r'const char32_t \*') # Test that a char32_t[] isn't expanded to string when print # char-array-as-string is "off" self.eval_and_check_array("u32a", "const char32_t", 10) # Test that -gdb-set can set print char-array-as-string flag self.runCmd("-gdb-set print char-array-as-string on") self.expect("\^done") self.runCmd("-gdb-set print char-array-as-string 1") self.expect("\^done") self.runCmd("-gdb-show print char-array-as-string") self.expect("\^done,value=\"on\"") # Test that a char* with escape chars is expanded to string when print # char-array-as-string is "on" self.eval_and_match_string( "cp", r'0x[0-9a-f]+ \"\\t\\\"hello\\\"\\n\"', r'const char \*') # Test that a char[] with escape chars is expanded to string when print # char-array-as-string is "on" self.eval_and_match_string( "ca", r'\"\\t\\\"hello\\\"\\n\"', r'const char \[10\]') # Test that a char16_t* with escape chars is expanded to string when # print char-array-as-string is "on" self.eval_and_match_string( "u16p", r'0x[0-9a-f]+ u\"\\t\\\"hello\\\"\\n\"', r'const char16_t \*') # Test that a char16_t[] with escape chars is expanded to string when # print char-array-as-string is "on" self.eval_and_match_string( "u16a", r'u\"\\t\\\"hello\\\"\\n\"', r'const char16_t \[10\]') # Test that a char32_t* with escape chars is expanded to string when # print char-array-as-string is "on" self.eval_and_match_string( "u32p", r'0x[0-9a-f]+ U\"\\t\\\"hello\\\"\\n\"', r'const char32_t \*') # Test that a char32_t[] with escape chars is expanded to string when # print char-array-as-string is "on" self.eval_and_match_string( "u32a", r'U\"\\t\\\"hello\\\"\\n\"', r'const char32_t \[10\]') # Test russian unicode strings self.eval_and_match_string( "u16p_rus", r'0x[0-9a-f]+ u\"\\\\Аламо-сквер\"', r'const char16_t \*') self.eval_and_match_string( "u16a_rus", r'u\"\\\\Бейвью\"', r'const char16_t \[8\]') self.eval_and_match_string( "u32p_rus", r'0x[0-9a-f]+ U\"\\\\Чайнатаун\"', r'const char32_t \*') self.eval_and_match_string( "u32a_rus", r'U\"\\\\Догпатч\"', r'const char32_t \[9\]') # Test that -gdb-set print char-array-as-string fails if "on"/"off" # isn't specified self.runCmd("-gdb-set print char-array-as-string") self.expect( "\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"") # Test that -gdb-set print char-array-as-string fails when option is # unknown self.runCmd("-gdb-set print char-array-as-string unknown") self.expect( "\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"") @skipIfWindows # llvm.org/pr24452: Get lldb-mi working on Windows @expectedFailureAll(compiler="gcc", bugnumber="llvm.org/pr23357") @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races @skipIfRemote # We do not currently support remote debugging via the MI. def test_lldbmi_gdb_set_show_print_aggregate_field_names(self): """Test that 'lldb-mi --interpreter' can expand aggregates everywhere.""" self.spawnLldbMi(args=None) # Load executable self.runCmd("-file-exec-and-symbols %s" % self.myexe) self.expect("\^done") # Run to BP_gdb_set_show_print_aggregate_field_names line = line_number( 'main.cpp', '// BP_gdb_set_show_print_aggregate_field_names') self.runCmd("-break-insert main.cpp:%d" % line) self.expect("\^done,bkpt={number=\"1\"") self.runCmd("-exec-run") self.expect("\^running") self.expect("\*stopped,reason=\"breakpoint-hit\"") # Test that default print aggregatep-field-names value is "on" self.runCmd("-gdb-show print aggregate-field-names") self.expect("\^done,value=\"on\"") # Set print expand-aggregates flag to "on" self.runCmd("-gdb-set print expand-aggregates on") self.expect("\^done") # Test that composite type is expanded with field name when print # aggregate-field-names is "on" self.runCmd("-var-create var1 * complx") self.expect( "\^done,name=\"var1\",numchild=\"3\",value=\"{i = 3, inner = {l = 3}, complex_ptr = 0x[0-9a-f]+}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"") # Test that composite type[] is expanded with field name when print # aggregate-field-names is "on" self.runCmd("-var-create var2 * complx_array") self.expect( "\^done,name=\"var2\",numchild=\"2\",value=\"{\[0\] = {i = 4, inner = {l = 4}, complex_ptr = 0x[0-9a-f]+}, \[1\] = {i = 5, inner = {l = 5}, complex_ptr = 0x[0-9a-f]+}}\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"") # Test that -gdb-set can set print aggregate-field-names flag self.runCmd("-gdb-set print aggregate-field-names off") self.expect("\^done") self.runCmd("-gdb-set print aggregate-field-names 0") self.expect("\^done") self.runCmd("-gdb-show print aggregate-field-names") self.expect("\^done,value=\"off\"") # Test that composite type is expanded without field name when print # aggregate-field-names is "off" self.runCmd("-var-create var3 * complx") self.expect( "\^done,name=\"var3\",numchild=\"3\",value=\"{3,\{3\},0x[0-9a-f]+}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"") # Test that composite type[] is expanded without field name when print # aggregate-field-names is "off" self.runCmd("-var-create var4 * complx_array") self.expect( "\^done,name=\"var4\",numchild=\"2\",value=\"{{4,\{4\},0x[0-9a-f]+},{5,\{5\},0x[0-9a-f]+}}\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"") # Test that -gdb-set print aggregate-field-names fails if "on"/"off" # isn't specified self.runCmd("-gdb-set print aggregate-field-names") self.expect( "\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"") # Test that -gdb-set print aggregate-field-names fails when option is # unknown self.runCmd("-gdb-set print aggregate-field-names unknown") self.expect( "\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")