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// 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: --experimental-wasm-bigint
load("test/mjsunit/wasm/wasm-module-builder.js");
(function TestWasmI64ToJSBigInt() {
var builder = new WasmModuleBuilder();
builder
.addFunction("fn", kSig_l_v) // () -> i64
.addBody([
kExprI64Const, 0x3,
])
.exportFunc();
var module = builder.instantiate();
assertEquals(typeof module.exports.fn(), "bigint");
assertEquals(module.exports.fn(), 3n);
})();
(function TestWasmI64ToJSBigIntImportedFunc() {
var builder = new WasmModuleBuilder();
var a_index = builder
.addImport("a", "a", kSig_l_l) // i64 -> i64
builder
.addFunction("fn", kSig_l_v) // () -> i64
.addBody([
kExprI64Const, 0x7,
kExprCallFunction, a_index
])
.exportFunc();
a_was_called = false;
var module = builder.instantiate({
a: {
a(param) {
assertEquals(typeof param, "bigint");
assertEquals(param, 7n);
a_was_called = true;
return 12n;
},
}
});
assertEquals(module.exports.fn(), 12n);
assertTrue(a_was_called);
})();
(function TestJSBigIntToWasmI64Global() {
var builder = new WasmModuleBuilder();
var a_global_index = builder
.addImportedGlobal("mod", "a", kWasmI64)
var b_global_index = builder
.addImportedGlobal("mod", "b", kWasmI64);
var c_global_index = builder
.addImportedGlobal("mod", "c", kWasmI64);
builder
.addExportOfKind('a', kExternalGlobal, a_global_index)
.addExportOfKind('b', kExternalGlobal, b_global_index)
.addExportOfKind('c', kExternalGlobal, c_global_index);
var module = builder.instantiate({
mod: {
a: 1n,
b: 2n ** 63n,
c: "123",
}
});
assertEquals(module.exports.a.value, 1n);
assertEquals(module.exports.b.value, - (2n ** 63n));
assertEquals(module.exports.c.value, 123n);
})();
(function TestJSBigIntToWasmI64MutableGlobal() {
var builder = new WasmModuleBuilder();
var a_global_index = builder
.addImportedGlobal("mod", "a", kWasmI64, /* mutable = */ true)
builder
.addExportOfKind('a', kExternalGlobal, a_global_index);
// as non object
var fn = () => builder.instantiate({
mod: {
a: 1n,
}
});
assertThrows(fn, WebAssembly.LinkError);
// as WebAssembly.Global object
var module = builder.instantiate({
mod: {
a: new WebAssembly.Global({ value: "i64", mutable: true }, 1n),
}
});
assertEquals(module.exports.a.value, 1n);
})();
(function TestJSBigIntToWasmI64Identity() {
var builder = new WasmModuleBuilder();
builder
.addFunction("f", kSig_l_l) // i64 -> i64
.addBody([
kExprGetLocal, 0x0,
])
.exportFunc();
var module = builder.instantiate();
var f = module.exports.f;
assertEquals(f(0n), 0n);
assertEquals(f(-0n), -0n);
assertEquals(f(123n), 123n);
assertEquals(f(-123n), -123n);
assertEquals(f("5"), 5n);
assertThrows(() => f(5), TypeError);
})();
(function TestI64Global() {
var argument = { "value": "i64", "mutable": true };
var global = new WebAssembly.Global(argument);
assertEquals(global.value, 0n); // initial value
global.value = 123n;
assertEquals(global.valueOf(), 123n);
global.value = 2n ** 63n;
assertEquals(global.valueOf(), - (2n ** 63n));
})();
(function TestI64GlobalValueOf() {
var argument = { "value": "i64" };
// as literal
var global = new WebAssembly.Global(argument, {
valueOf() {
return 123n;
}
});
assertEquals(global.value, 123n);
// as string
var global2 = new WebAssembly.Global(argument, {
valueOf() {
return "321";
}
});
assertEquals(global2.value, 321n);
})();
(function TestInvalidValtypeGlobalErrorMessage() {
var argument = { "value": "some string" };
assertThrows(() => new WebAssembly.Global(argument), TypeError);
try {
new WebAssembly.Global(argument);
} catch (e) {
assertContains("'value' must be", e.message);
assertContains("i64", e.message);
}
})();
(function TestGlobalI64ValueWrongType() {
var argument = { "value": "i64" };
assertThrows(() => new WebAssembly.Global(argument, 666), TypeError);
})();
(function TestGlobalI64SetWrongType() {
var argument = { "value": "i64", "mutable": true };
var global = new WebAssembly.Global(argument);
assertThrows(() => global.value = 1, TypeError);
})();
(function TestFuncParamF64PassingBigInt() {
var builder = new WasmModuleBuilder();
builder
.addFunction("f", kSig_v_d) // f64 -> ()
.addBody([])
.exportFunc();
var module = builder.instantiate();
assertThrows(() => module.exports.f(123n), TypeError);
})();
|
