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
|
// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm --experimental-wasm-anyref --expose-gc
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function testAnyRefIdentityFunction() {
print(arguments.callee.name);
const builder = new WasmModuleBuilder();
builder.addFunction('main', kSig_r_r)
.addBody([kExprGetLocal, 0])
.exportFunc();
const instance = builder.instantiate();
let obj = {'hello' : 'world'};
assertEquals(obj, instance.exports.main(obj));
assertEquals(1234, instance.exports.main(1234));
assertEquals(123.4, instance.exports.main(123.4));
assertEquals(undefined, instance.exports.main(undefined));
assertEquals(null, instance.exports.main(null));
assertEquals(print, instance.exports.main(print));
})();
(function testPassAnyRefToImportedFunction() {
print(arguments.callee.name);
const builder = new WasmModuleBuilder();
const sig_index = builder.addType(kSig_v_r);
const imp_index = builder.addImport("q", "func", sig_index);
builder.addFunction('main', sig_index)
.addBody([kExprGetLocal, 0,
kExprCallFunction, imp_index])
.exportFunc();
function checkFunction(value) {
assertEquals('world', value.hello);
}
const instance = builder.instantiate({q: {func: checkFunction}});
instance.exports.main({hello: 'world'});
})();
(function testPassAnyRefWithGC() {
print(arguments.callee.name);
const builder = new WasmModuleBuilder();
const ref_sig = builder.addType(kSig_v_r);
const void_sig = builder.addType(kSig_v_v);
const imp_index = builder.addImport("q", "func", ref_sig);
const gc_index = builder.addImport("q", "gc", void_sig);
// First call the gc, then check if the object still exists.
builder.addFunction('main', ref_sig)
.addBody([
kExprCallFunction, gc_index, // call gc
kExprGetLocal, 0, kExprCallFunction, imp_index // call import
])
.exportFunc();
function checkFunction(value) {
assertEquals('world', value.hello);
}
const instance = builder.instantiate({q: {func: checkFunction, gc: gc}});
instance.exports.main({hello: 'world'});
})();
(function testAnyRefNull() {
print(arguments.callee.name);
const builder = new WasmModuleBuilder();
builder.addFunction('main', kSig_r_v)
.addBody([kExprRefNull])
.exportFunc();
const instance = builder.instantiate();
assertEquals(null, instance.exports.main());
})();
(function testAnyRefIsNull() {
print(arguments.callee.name);
const builder = new WasmModuleBuilder();
builder.addFunction('main', kSig_i_r)
.addBody([kExprGetLocal, 0, kExprRefIsNull])
.exportFunc();
const instance = builder.instantiate();
assertEquals(0, instance.exports.main({'hello' : 'world'}));
assertEquals(0, instance.exports.main(1234));
assertEquals(0, instance.exports.main(0));
assertEquals(0, instance.exports.main(123.4));
assertEquals(0, instance.exports.main(undefined));
assertEquals(1, instance.exports.main(null));
assertEquals(0, instance.exports.main(print));
})();
|
