d66cc11c2f
The JS API constructor was renamed to "WebAssembly.Tag" to match the spec: https://github.com/WebAssembly/exception-handling/issues/159 Rename "exception" to "tag" throughout the codebase for consistency with the JS API, and to match the spec terminology (e.g. "tag section"). R=clemensb@chromium.org,nicohartmann@chromium.org Bug: v8:11992 Change-Id: I63f9f3101abfeefd49117461bd59c594ca5dab70 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3053583 Reviewed-by: Clemens Backes <clemensb@chromium.org> Reviewed-by: Nico Hartmann <nicohartmann@chromium.org> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#75994}
96 lines
3.4 KiB
JavaScript
96 lines
3.4 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: --expose-wasm --experimental-wasm-eh
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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// Helper function to return a new exported exception with the {kSig_v_v} type
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// signature from an anonymous module. The underlying module is thrown away.
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// This allows tests to reason solely about importing exceptions.
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function NewExportedTag() {
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let builder = new WasmModuleBuilder();
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let tag = builder.addTag(kSig_v_v);
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builder.addExportOfKind("t", kExternalTag, tag);
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let instance = builder.instantiate();
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return instance.exports.t;
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}
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(function TestImportSimple() {
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print(arguments.callee.name);
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let exported = NewExportedTag();
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let builder = new WasmModuleBuilder();
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let except = builder.addImportedTag("m", "ex", kSig_v_v);
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assertDoesNotThrow(() => builder.instantiate({ m: { ex: exported }}));
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})();
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(function TestImportMultiple() {
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print(arguments.callee.name);
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let exported = NewExportedTag();
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let builder = new WasmModuleBuilder();
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let except1 = builder.addImportedTag("m", "ex1", kSig_v_v);
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let except2 = builder.addImportedTag("m", "ex2", kSig_v_v);
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let except3 = builder.addTag(kSig_v_v);
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builder.addExportOfKind("ex2", kExternalTag, except2);
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builder.addExportOfKind("ex3", kExternalTag, except3);
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let instance = builder.instantiate({ m: { ex1: exported, ex2: exported }});
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assertTrue(except1 < except3 && except2 < except3);
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assertEquals(undefined, instance.exports.ex1);
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assertSame(exported, instance.exports.ex2);
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assertNotSame(exported, instance.exports.ex3);
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})();
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(function TestImportMissing() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addImportedTag("m", "ex", kSig_v_v);
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assertThrows(
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() => builder.instantiate({}), TypeError,
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/module is not an object or function/);
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assertThrows(
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() => builder.instantiate({ m: {}}), WebAssembly.LinkError,
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/tag import requires a WebAssembly.Tag/);
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})();
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(function TestImportValueMismatch() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addImportedTag("m", "ex", kSig_v_v);
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assertThrows(
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() => builder.instantiate({ m: { ex: 23 }}), WebAssembly.LinkError,
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/tag import requires a WebAssembly.Tag/);
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assertThrows(
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() => builder.instantiate({ m: { ex: {} }}), WebAssembly.LinkError,
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/tag import requires a WebAssembly.Tag/);
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var monkey = Object.create(NewExportedTag());
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assertThrows(
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() => builder.instantiate({ m: { ex: monkey }}), WebAssembly.LinkError,
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/tag import requires a WebAssembly.Tag/);
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})();
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(function TestImportSignatureMismatch() {
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print(arguments.callee.name);
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let exported = NewExportedTag();
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let builder = new WasmModuleBuilder();
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let except = builder.addImportedTag("m", "ex", kSig_v_i);
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assertThrows(
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() => builder.instantiate({ m: { ex: exported }}), WebAssembly.LinkError,
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/imported tag does not match the expected type/);
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})();
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(function TestImportModuleGetImports() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addImportedTag("m", "ex", kSig_v_v);
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let module = new WebAssembly.Module(builder.toBuffer());
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let imports = WebAssembly.Module.imports(module);
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assertArrayEquals([{ module: "m", name: "ex", kind: "tag" }], imports);
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})();
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