/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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#include "sky/engine/platform/text/SegmentedString.h"

#include <gtest/gtest.h>

using blink::SegmentedString;

namespace {

TEST(SegmentedStringTest, CurrentChar)
{
    SegmentedString original(String("cde"));
    {
        SegmentedString copied(original);
        SegmentedString assigned;
        assigned = original;
        EXPECT_EQ("cde", original.toString());
        EXPECT_EQ('c', original.currentChar());
        EXPECT_EQ('c', copied.currentChar());
        EXPECT_EQ('c', assigned.currentChar());
    }
    original.push('a');
    {
        SegmentedString copied(original);
        SegmentedString assigned;
        assigned = original;
        EXPECT_EQ("acde", original.toString());
        EXPECT_EQ('a', original.currentChar());
        EXPECT_EQ('a', copied.currentChar());
        EXPECT_EQ('a', assigned.currentChar());
    }
    original.push('b');
    {
        // Two consecutive push means to push the second char *after* the
        // first char in SegmentedString.
        SegmentedString copied(original);
        SegmentedString assigned;
        assigned = original;
        EXPECT_EQ("abcde", original.toString());
        EXPECT_EQ('a', original.currentChar());
        EXPECT_EQ('a', copied.currentChar());
        EXPECT_EQ('a', assigned.currentChar());
    }
    original.advance();
    {
        SegmentedString copied(original);
        SegmentedString assigned;
        assigned = original;
        EXPECT_EQ("bcde", original.toString());
        EXPECT_EQ('b', original.currentChar());
        EXPECT_EQ('b', copied.currentChar());
        EXPECT_EQ('b', assigned.currentChar());
    }
}

} // namespace