v8/test/mjsunit/wasm/exceptions-export.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

82 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: --expose-wasm --experimental-wasm-eh
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
(function TestExportSimple() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_v);
builder.addExportOfKind("ex", kExternalException, except);
let instance = builder.instantiate();
assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex'));
assertEquals("object", typeof instance.exports.ex);
assertInstanceof(instance.exports.ex, WebAssembly.Exception);
assertSame(instance.exports.ex.constructor, WebAssembly.Exception);
})();
(function TestExportMultiple() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except1 = builder.addException(kSig_v_v);
let except2 = builder.addException(kSig_v_i);
builder.addExportOfKind("ex1a", kExternalException, except1);
builder.addExportOfKind("ex1b", kExternalException, except1);
builder.addExportOfKind("ex2", kExternalException, except2);
let instance = builder.instantiate();
assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex1a'));
assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex1b'));
assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex2'));
assertSame(instance.exports.ex1a, instance.exports.ex1b);
assertNotSame(instance.exports.ex1a, instance.exports.ex2);
})();
(function TestExportOutOfBounds() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_v);
builder.addExportOfKind("ex_oob", kExternalException, except + 1);
assertThrows(
() => builder.instantiate(), WebAssembly.CompileError,
'WebAssembly.Module(): exception index 1 out of bounds (1 entry) @+30');
})();
(function TestExportSameNameTwice() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_v);
builder.addExportOfKind("ex", kExternalException, except);
builder.addExportOfKind("ex", kExternalException, except);
assertThrows(
() => builder.instantiate(), WebAssembly.CompileError,
'WebAssembly.Module(): Duplicate export name \'ex\' ' +
'for exception 0 and exception 0 @+28');
})();
(function TestExportModuleGetExports() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_v);
builder.addExportOfKind("ex", kExternalException, except);
let module = new WebAssembly.Module(builder.toBuffer());
let exports = WebAssembly.Module.exports(module);
assertArrayEquals([{ name: "ex", kind: "exception" }], exports);
})();
(function TestConstructorNonCallable() {
print(arguments.callee.name);
// TODO(wasm): Currently the constructor function of an exported exception is
// not callable. This can/will change once the proposal matures, at which
// point we should add a full exceptions-api.js test suite for the API and
// remove this test case from this file.
assertThrows(
() => WebAssembly.Exception(), TypeError,
/WebAssembly.Exception cannot be called/);
})();