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

96 lines
3.6 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");
// Helper function to return a new exported exception with the {kSig_v_v} type
// signature from an anonymous module. The underlying module is thrown away.
// This allows tests to reason solely about importing exceptions.
function NewExportedException() {
let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_v);
builder.addExportOfKind("ex", kExternalException, except);
let instance = builder.instantiate();
return instance.exports.ex;
}
(function TestImportSimple() {
print(arguments.callee.name);
let exported = NewExportedException();
let builder = new WasmModuleBuilder();
let except = builder.addImportedException("m", "ex", kSig_v_v);
assertDoesNotThrow(() => builder.instantiate({ m: { ex: exported }}));
})();
(function TestImportMultiple() {
print(arguments.callee.name);
let exported = NewExportedException();
let builder = new WasmModuleBuilder();
let except1 = builder.addImportedException("m", "ex1", kSig_v_v);
let except2 = builder.addImportedException("m", "ex2", kSig_v_v);
let except3 = builder.addException(kSig_v_v);
builder.addExportOfKind("ex2", kExternalException, except2);
builder.addExportOfKind("ex3", kExternalException, except3);
let instance = builder.instantiate({ m: { ex1: exported, ex2: exported }});
assertTrue(except1 < except3 && except2 < except3);
assertEquals(undefined, instance.exports.ex1);
assertSame(exported, instance.exports.ex2);
assertNotSame(exported, instance.exports.ex3);
})();
(function TestImportMissing() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addImportedException("m", "ex", kSig_v_v);
assertThrows(
() => builder.instantiate({}), TypeError,
/module is not an object or function/);
assertThrows(
() => builder.instantiate({ m: {}}), WebAssembly.LinkError,
/exception import requires a WebAssembly.Exception/);
})();
(function TestImportValueMismatch() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addImportedException("m", "ex", kSig_v_v);
assertThrows(
() => builder.instantiate({ m: { ex: 23 }}), WebAssembly.LinkError,
/exception import requires a WebAssembly.Exception/);
assertThrows(
() => builder.instantiate({ m: { ex: {} }}), WebAssembly.LinkError,
/exception import requires a WebAssembly.Exception/);
var monkey = Object.create(NewExportedException());
assertThrows(
() => builder.instantiate({ m: { ex: monkey }}), WebAssembly.LinkError,
/exception import requires a WebAssembly.Exception/);
})();
(function TestImportSignatureMismatch() {
print(arguments.callee.name);
let exported = NewExportedException();
let builder = new WasmModuleBuilder();
let except = builder.addImportedException("m", "ex", kSig_v_i);
assertThrows(
() => builder.instantiate({ m: { ex: exported }}), WebAssembly.LinkError,
/imported exception does not match the expected type/);
})();
(function TestImportModuleGetImports() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
let except = builder.addImportedException("m", "ex", kSig_v_v);
let module = new WebAssembly.Module(builder.toBuffer());
let imports = WebAssembly.Module.imports(module);
assertArrayEquals([{ module: "m", name: "ex", kind: "exception" }], imports);
})();