v8/test/mjsunit/wasm/exceptions-externref.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- Add d8.file.read() and d8.file.execute() helpers
- Change tools and tests to use new d8.file helper
- Unify error throwing in v8::Shell::ReadFile

Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74883}
2021-06-01 13:37:57 +00:00

97 lines
3.3 KiB
JavaScript

// 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-eh --experimental-wasm-reftypes --allow-natives-syntax
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
d8.file.execute("test/mjsunit/wasm/exceptions-utils.js");
// Test the encoding of a thrown exception with a null-ref value.
(function TestThrowRefNull() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_r);
builder.addFunction("throw_null", kSig_v_v)
.addBody([
kExprRefNull, kWasmExternRef,
kExprThrow, except,
]).exportFunc();
let instance = builder.instantiate();
assertWasmThrows(instance, except, [null], () => instance.exports.throw_null());
})();
// Test throwing/catching the null-ref value.
(function TestThrowCatchRefNull() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_r);
builder.addFunction("throw_catch_null", kSig_i_i)
.addBody([
kExprTry, kWasmI32,
kExprLocalGet, 0,
kExprI32Eqz,
kExprIf, kWasmI32,
kExprRefNull, kWasmExternRef,
kExprThrow, except,
kExprElse,
kExprI32Const, 42,
kExprEnd,
kExprCatch, except,
kExprRefIsNull,
kExprIf, kWasmI32,
kExprI32Const, 23,
kExprElse,
kExprUnreachable,
kExprEnd,
kExprEnd,
]).exportFunc();
let instance = builder.instantiate();
assertEquals(23, instance.exports.throw_catch_null(0));
assertEquals(42, instance.exports.throw_catch_null(1));
})();
// Test the encoding of a thrown exception with a reference type value.
(function TestThrowRefParam() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_r);
builder.addFunction("throw_param", kSig_v_r)
.addBody([
kExprLocalGet, 0,
kExprThrow, except,
]).exportFunc();
let instance = builder.instantiate();
let o = new Object();
assertWasmThrows(instance, except, [o], () => instance.exports.throw_param(o));
assertWasmThrows(instance, except, [1], () => instance.exports.throw_param(1));
assertWasmThrows(instance, except, [2.3], () => instance.exports.throw_param(2.3));
assertWasmThrows(instance, except, ["str"], () => instance.exports.throw_param("str"));
})();
// Test throwing/catching the reference type value.
(function TestThrowCatchRefParam() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_r);
builder.addFunction("throw_catch_param", kSig_r_r)
.addBody([
kExprTry, kWasmExternRef,
kExprLocalGet, 0,
kExprThrow, except,
kExprCatch, except,
// fall-through
kExprEnd,
]).exportFunc();
let instance = builder.instantiate();
let o = new Object();
assertEquals(o, instance.exports.throw_catch_param(o));
assertEquals(1, instance.exports.throw_catch_param(1));
assertEquals(2.3, instance.exports.throw_catch_param(2.3));
assertEquals("str", instance.exports.throw_catch_param("str"));
})();