blob: feb151973093c154bd7ead38344aab7aa76dc477 [file] [log] [blame]
import Builder from '../Builder.js'
import * as assert from '../assert.js'
{
const b = new Builder();
let cont = b
.Type().End()
.Function().End()
.Global()
.I32(0, "immutable")
.I64(0, "immutable")
.F32(0, "immutable")
.F64(0, "immutable")
.RefNull("anyref", "immutable")
.RefNull("funcref", "immutable")
.End()
.Export()
.Global("i32", 0)
.Global("i64", 1)
.Global("f32", 2)
.Global("f64", 3)
.Global("anyref", 4)
.Global("funcref", 5)
.Function("getI32")
.Function("getI64AsI32")
.Function("getF32")
.Function("getF64")
.Function("getAnyref")
.Function("getFuncref")
.End()
.Code()
.Function("getI32", { params: [], ret: "i32" }, [])
.GetGlobal(0)
.Return()
.End()
.Function("getI64AsI32", { params: [], ret: "i32" }, [])
.GetGlobal(1)
.I32WrapI64()
.Return()
.End()
.Function("getF32", { params: [], ret: "f32" }, [])
.GetGlobal(2)
.Return()
.End()
.Function("getF64", { params: [], ret: "f64" }, [])
.GetGlobal(3)
.Return()
.End()
.Function("getAnyref", { params: [], ret: "anyref" }, [])
.GetGlobal(4)
.Return()
.End()
.Function("getFuncref", { params: [], ret: "funcref" }, [])
.GetGlobal(5)
.Return()
.End()
.End()
const bin = b.WebAssembly().get();
const module = new WebAssembly.Module(bin);
const instance = new WebAssembly.Instance(module);
for (var i = 0; i < 1e3; ++i) {
{
let binding = instance.exports.i32;
assert.eq(binding.value, 0);
assert.eq(instance.exports.getI32(), 0);
assert.throws(() => binding.value = 42, TypeError, `WebAssembly.Global.prototype.value attempts to modify immutable global value`);
assert.eq(binding.value, 0);
assert.eq(instance.exports.getI32(), 0);
}
{
let binding = instance.exports.f32;
assert.eq(binding.value, 0);
assert.eq(instance.exports.getF32(), 0);
assert.throws(() => binding.value = 42.5, TypeError, `WebAssembly.Global.prototype.value attempts to modify immutable global value`);
assert.eq(binding.value, 0);
assert.eq(instance.exports.getF32(), 0);
}
{
let binding = instance.exports.f64;
assert.eq(binding.value, 0);
assert.eq(instance.exports.getF64(), 0);
assert.throws(() => binding.value = 42.5, TypeError, `WebAssembly.Global.prototype.value attempts to modify immutable global value`);
assert.eq(binding.value, 0);
assert.eq(instance.exports.getF64(), 0);
}
{
let binding = instance.exports.i64;
assert.throws(() => binding.value, TypeError, `WebAssembly.Global.prototype.value does not work with i64 type`);
assert.throws(() => binding.value = 42, TypeError, `WebAssembly.Global.prototype.value attempts to modify immutable global value`);
assert.eq(instance.exports.getI64AsI32(), 0);
}
{
let binding = instance.exports.anyref;
assert.eq(binding.value, null);
assert.eq(instance.exports.getAnyref(), null);
let list = [
undefined,
null,
0,
5.4,
"Hey",
{},
function () { },
Symbol("Cocoa"),
false,
];
for (let value of list) {
assert.throws(() => binding.value = value, TypeError, `WebAssembly.Global.prototype.value attempts to modify immutable global value`);
assert.eq(binding.value, null);
}
}
{
let binding = instance.exports.funcref;
assert.eq(binding.value, null);
assert.eq(instance.exports.getFuncref(), null);
let list = [
undefined,
0,
5.4,
"Hey",
{},
function () { },
Symbol("Cocoa"),
false,
];
for (let value of list) {
assert.throws(() => binding.value = value, TypeError, `WebAssembly.Global.prototype.value attempts to modify immutable global value`);
assert.eq(binding.value, null);
}
}
}
}