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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
102 lines
3.3 KiB
JavaScript
102 lines
3.3 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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d8.file.execute("test/mjsunit/wasm/exceptions-utils.js");
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// Test the encoding of a thrown exception with a null-ref value.
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(function TestThrowRefNull() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addTag(kSig_v_r);
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builder.addFunction("throw_null", kSig_v_v)
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.addBody([
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kExprRefNull, kExternRefCode,
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kExprThrow, except,
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]).exportFunc();
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let instance = builder.instantiate();
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assertWasmThrows(instance, except, [null],
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() => instance.exports.throw_null());
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})();
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// Test throwing/catching the null-ref value.
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(function TestThrowCatchRefNull() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addTag(kSig_v_r);
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builder.addFunction("throw_catch_null", kSig_i_i)
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.addBody([
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kExprTry, kWasmI32,
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kExprLocalGet, 0,
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kExprI32Eqz,
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kExprIf, kWasmI32,
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kExprRefNull, kExternRefCode,
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kExprThrow, except,
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kExprElse,
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kExprI32Const, 42,
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kExprEnd,
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kExprCatch, except,
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kExprRefIsNull,
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kExprIf, kWasmI32,
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kExprI32Const, 23,
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kExprElse,
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kExprUnreachable,
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kExprEnd,
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kExprEnd,
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]).exportFunc();
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let instance = builder.instantiate();
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assertEquals(23, instance.exports.throw_catch_null(0));
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assertEquals(42, instance.exports.throw_catch_null(1));
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})();
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// Test the encoding of a thrown exception with a reference type value.
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(function TestThrowRefParam() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addTag(kSig_v_r);
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builder.addFunction("throw_param", kSig_v_r)
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.addBody([
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kExprLocalGet, 0,
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kExprThrow, except,
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]).exportFunc();
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let instance = builder.instantiate();
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let o = new Object();
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assertWasmThrows(instance, except, [o],
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() => instance.exports.throw_param(o));
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assertWasmThrows(instance, except, [1],
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() => instance.exports.throw_param(1));
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assertWasmThrows(instance, except, [2.3],
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() => instance.exports.throw_param(2.3));
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assertWasmThrows(instance, except, ["str"],
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() => instance.exports.throw_param("str"));
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})();
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// Test throwing/catching the reference type value.
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(function TestThrowCatchRefParam() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addTag(kSig_v_r);
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builder.addFunction("throw_catch_param", kSig_r_r)
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.addBody([
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kExprTry, kExternRefCode,
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kExprLocalGet, 0,
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kExprThrow, except,
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kExprCatch, except,
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// fall-through
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kExprEnd,
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]).exportFunc();
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let instance = builder.instantiate();
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let o = new Object();
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assertEquals(o, instance.exports.throw_catch_param(o));
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assertEquals(1, instance.exports.throw_catch_param(1));
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assertEquals(2.3, instance.exports.throw_catch_param(2.3));
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assertEquals("str", instance.exports.throw_catch_param("str"));
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})();
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