3bbd11c233
BUG=v8:1569 Review-Url: https://codereview.chromium.org/2361593002 Cr-Commit-Position: refs/heads/master@{#39646}
112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
// Copyright 2016 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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#include "src/flags.h"
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#include "test/cctest/cctest.h"
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namespace {
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using v8::Context;
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using v8::HandleScope;
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using v8::Isolate;
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using v8::Local;
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using v8::MaybeLocal;
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using v8::Module;
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using v8::ScriptCompiler;
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using v8::ScriptOrigin;
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using v8::String;
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using v8::Value;
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MaybeLocal<Module> AlwaysEmptyResolveCallback(Local<Context> context,
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Local<String> specifier,
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Local<Module> referrer,
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Local<Value> data) {
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return MaybeLocal<Module>();
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}
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static int g_count = 0;
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MaybeLocal<Module> FailOnSecondCallResolveCallback(Local<Context> context,
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Local<String> specifier,
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Local<Module> referrer,
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Local<Value> data) {
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if (g_count++ > 0) return MaybeLocal<Module>();
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Local<String> source_text = v8_str("");
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ScriptOrigin origin(v8_str("module.js"));
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ScriptCompiler::Source source(source_text, origin);
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return ScriptCompiler::CompileModule(CcTest::isolate(), &source)
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.ToLocalChecked();
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}
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TEST(ModuleInstantiationFailures) {
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Isolate* isolate = CcTest::isolate();
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HandleScope scope(isolate);
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LocalContext env;
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Local<String> source_text = v8_str(
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"import './foo.js';"
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"export {} from './bar.js';");
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ScriptOrigin origin(v8_str("file.js"));
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ScriptCompiler::Source source(source_text, origin);
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Local<Module> module =
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ScriptCompiler::CompileModule(isolate, &source).ToLocalChecked();
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CHECK_EQ(2, module->GetModuleRequestsLength());
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CHECK(v8_str("./foo.js")->StrictEquals(module->GetModuleRequest(0)));
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CHECK(v8_str("./bar.js")->StrictEquals(module->GetModuleRequest(1)));
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// Instantiation should fail.
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CHECK(!module->Instantiate(env.local(), AlwaysEmptyResolveCallback));
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// Start over again...
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module = ScriptCompiler::CompileModule(isolate, &source).ToLocalChecked();
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// Instantiation should fail if a sub-module fails to resolve.
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g_count = 0;
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CHECK(!module->Instantiate(env.local(), FailOnSecondCallResolveCallback));
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}
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static MaybeLocal<Module> CompileSpecifierAsModuleResolveCallback(
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Local<Context> context, Local<String> specifier, Local<Module> referrer,
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Local<Value> data) {
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ScriptOrigin origin(v8_str("module.js"));
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ScriptCompiler::Source source(specifier, origin);
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return ScriptCompiler::CompileModule(CcTest::isolate(), &source)
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.ToLocalChecked();
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}
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TEST(ModuleEvaluation) {
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Isolate* isolate = CcTest::isolate();
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HandleScope scope(isolate);
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LocalContext env;
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Local<String> source_text = v8_str(
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"import 'Object.expando = 5';"
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"import 'Object.expando *= 2';");
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ScriptOrigin origin(v8_str("file.js"));
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ScriptCompiler::Source source(source_text, origin);
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Local<Module> module =
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ScriptCompiler::CompileModule(isolate, &source).ToLocalChecked();
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CHECK(module->Instantiate(env.local(),
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CompileSpecifierAsModuleResolveCallback));
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CHECK(!module->Evaluate(env.local()).IsEmpty());
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ExpectInt32("Object.expando", 10);
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}
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TEST(EmbedderData) {
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Isolate* isolate = CcTest::isolate();
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HandleScope scope(isolate);
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LocalContext env;
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Local<String> source_text = v8_str("");
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ScriptOrigin origin(v8_str("file.js"));
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ScriptCompiler::Source source(source_text, origin);
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Local<Module> module =
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ScriptCompiler::CompileModule(isolate, &source).ToLocalChecked();
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CHECK(module->GetEmbedderData()->IsUndefined());
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module->SetEmbedderData(v8_num(42));
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CHECK_EQ(42, Local<v8::Int32>::Cast(module->GetEmbedderData())->Value());
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}
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} // anonymous namespace
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