mojo/public/cpp/bindings/tests/string_unittest.cc

// Copyright 2014 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 "mojo/public/cpp/bindings/string.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace mojo {
namespace test {

TEST(StringTest, DefaultIsNull) {
  String s;
  EXPECT_TRUE(s.is_null());
}

TEST(StringTest, ConstructedWithNULL) {
  String s(NULL);
  EXPECT_TRUE(s.is_null());
}

TEST(StringTest, ConstructedWithNullCharPointer) {
  const char* null = NULL;
  String s(null);
  EXPECT_TRUE(s.is_null());
}

TEST(StringTest, AssignedNULL) {
  String s("");
  EXPECT_FALSE(s.is_null());
  s = NULL;
  EXPECT_TRUE(s.is_null());
}

TEST(StringTest, Empty) {
  String s("");
  EXPECT_FALSE(s.is_null());
  EXPECT_TRUE(s.get().empty());
}

TEST(StringTest, Basic) {
  String s("hello world");
  EXPECT_EQ(std::string("hello world"), s.get());
}

TEST(StringTest, Assignment) {
  String s("hello world");
  String t = s;  // Makes a copy.
  EXPECT_FALSE(t.is_null());
  EXPECT_EQ(std::string("hello world"), t.get());
  EXPECT_FALSE(s.is_null());
}

TEST(StringTest, Equality) {
  String s("hello world");
  String t("hello world");
  EXPECT_EQ(s, t);
  EXPECT_TRUE(s == t);
  EXPECT_TRUE("hello world" == s);
  EXPECT_TRUE(s == "hello world");
  EXPECT_TRUE("not" != s);
  EXPECT_TRUE(s != "not");
}

}  // namespace test
}  // namespace mojo