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
|
// META: global=jsshell
// META: script=assertions.js
function nulls(n) {
return Array(n).fill(null);
}
test(() => {
const argument = { "element": "anyfunc", "initial": 5 };
const table = new WebAssembly.Table(argument);
assert_throws(new TypeError(), () => table.grow());
}, "Missing arguments");
test(t => {
const thisValues = [
undefined,
null,
true,
"",
Symbol(),
1,
{},
WebAssembly.Table,
WebAssembly.Table.prototype,
];
const argument = {
valueOf: t.unreached_func("Should not touch the argument (valueOf)"),
toString: t.unreached_func("Should not touch the argument (toString)"),
};
const fn = WebAssembly.Table.prototype.grow;
for (const thisValue of thisValues) {
assert_throws(new TypeError(), () => fn.call(thisValue, argument), `this=${format_value(thisValue)}`);
}
}, "Branding");
test(() => {
const argument = { "element": "anyfunc", "initial": 5 };
const table = new WebAssembly.Table(argument);
assert_equal_to_array(table, nulls(5), "before");
const result = table.grow(3);
assert_equals(result, 5);
assert_equal_to_array(table, nulls(8), "after");
}, "Basic");
test(() => {
const argument = { "element": "anyfunc", "initial": 3, "maximum": 5 };
const table = new WebAssembly.Table(argument);
assert_equal_to_array(table, nulls(3), "before");
const result = table.grow(2);
assert_equals(result, 3);
assert_equal_to_array(table, nulls(5), "after");
}, "Reached maximum");
test(() => {
const argument = { "element": "anyfunc", "initial": 2, "maximum": 5 };
const table = new WebAssembly.Table(argument);
assert_equal_to_array(table, nulls(2), "before");
assert_throws(new RangeError(), () => table.grow(4));
assert_equal_to_array(table, nulls(2), "after");
}, "Exceeded maximum");
const outOfRangeValues = [
undefined,
NaN,
Infinity,
-Infinity,
-1,
0x100000000,
0x1000000000,
"0x100000000",
{ valueOf() { return 0x100000000; } },
];
for (const value of outOfRangeValues) {
test(() => {
const argument = { "element": "anyfunc", "initial": 1 };
const table = new WebAssembly.Table(argument);
assert_throws(new TypeError(), () => table.grow(value));
}, `Out-of-range argument: ${format_value(value)}`);
}
test(() => {
const argument = { "element": "anyfunc", "initial": 5 };
const table = new WebAssembly.Table(argument);
assert_equal_to_array(table, nulls(5), "before");
const result = table.grow(3, null, {});
assert_equals(result, 5);
assert_equal_to_array(table, nulls(8), "after");
}, "Stray argument");
|
