v8/test/mjsunit/wasm/exceptions-import.js
Sven Sauleau 5bdb13297f [wasm] merge js constants file in module-builder
We noticed that almost every call site were loading both files,
the split isn't necessary anymore.

In some message tests, removed the absolute line number to allow future
changes.

Bug: v8:8726
Change-Id: I8527f0a1ecfa685aa01a5e2f5f47ddf1cb13a545
Reviewed-on: https://chromium-review.googlesource.com/c/1446452
Commit-Queue: Sven Sauleau <ssauleau@igalia.com>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59220}
2019-01-30 22:10:34 +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
load("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);
})();