sky/engine/platform/text/SegmentedStringTest.cpp

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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