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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/string_util.h"
#include "chrome/test/v8_unit_test.h"
void V8UnitTest::SetUp() {
v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
global->Set(v8::String::New("log"),
v8::FunctionTemplate::New(&V8UnitTest::Log));
context_ = v8::Context::New(NULL, global);
}
void V8UnitTest::SetGlobalStringVar(const std::string& var_name,
const std::string& value) {
v8::Context::Scope context_scope(context_);
context_->Global()->Set(v8::String::New(var_name.c_str(), var_name.length()),
v8::String::New(value.c_str(), value.length()));
}
void V8UnitTest::ExecuteScriptInContext(const base::StringPiece& script_source,
const base::StringPiece& script_name) {
v8::Context::Scope context_scope(context_);
v8::HandleScope handle_scope;
v8::Handle<v8::String> source = v8::String::New(script_source.data(),
script_source.size());
v8::Handle<v8::String> name = v8::String::New(script_name.data(),
script_source.size());
v8::TryCatch try_catch;
v8::Handle<v8::Script> script = v8::Script::Compile(source, name);
// Ensure the script compiled without errors.
if (script.IsEmpty()) {
FAIL() << ExceptionToString(&try_catch);
}
v8::Handle<v8::Value> result = script->Run();
// Ensure the script ran without errors.
if (result.IsEmpty()) {
FAIL() << ExceptionToString(&try_catch);
}
}
std::string V8UnitTest::ExceptionToString(v8::TryCatch* try_catch) {
std::string str;
v8::HandleScope handle_scope;
v8::String::Utf8Value exception(try_catch->Exception());
v8::Handle<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
str.append(StringPrintf("%s\n", *exception));
} else {
v8::String::Utf8Value filename(message->GetScriptResourceName());
int linenum = message->GetLineNumber();
int colnum = message->GetStartColumn();
str.append(StringPrintf("%s:%i:%i %s\n", *filename, linenum, colnum,
*exception));
v8::String::Utf8Value sourceline(message->GetSourceLine());
str.append(StringPrintf("%s\n", *sourceline));
}
return str;
}
void V8UnitTest::TestFunction(const std::string& function_name) {
v8::Context::Scope context_scope(context_);
v8::HandleScope handle_scope;
v8::Handle<v8::Value> functionProperty =
context_->Global()->Get(v8::String::New(function_name.c_str()));
ASSERT_FALSE(functionProperty.IsEmpty());
ASSERT_TRUE(functionProperty->IsFunction());
v8::Handle<v8::Function> function =
v8::Handle<v8::Function>::Cast(functionProperty);
v8::TryCatch try_catch;
v8::Handle<v8::Value> result = function->Call(context_->Global(), 0, NULL);
// The test fails if an exception was thrown.
if (result.IsEmpty()) {
FAIL() << ExceptionToString(&try_catch);
}
}
// static
v8::Handle<v8::Value> V8UnitTest::Log(const v8::Arguments& args) {
std::string message;
bool first = true;
for (int i = 0; i < args.Length(); i++) {
v8::HandleScope handle_scope;
if (first) {
first = false;
} else {
message += " ";
}
v8::String::Utf8Value str(args[i]);
message += *str;
}
std::cout << message << "\n";
return v8::Undefined();
}
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