Tools/TestWebKitAPI/Tests/WTF/StringCommon.cpp

/*
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#include "config.h"

#include "Test.h"
#include <wtf/Vector.h>
#include <wtf/text/StringCommon.h>

namespace TestWebKitAPI {

#if CPU(ARM64)
TEST(WTF_StringCommon, Find8NonASCII)
{
    Vector<LChar> vector(4096);
    vector.fill('a');

    EXPECT_FALSE(WTF::find8NonASCII(vector.data(), 4096));

    vector[4095] = 0x80;
    EXPECT_EQ(WTF::find8NonASCII(vector.data(), 4096) - vector.data(), 4095);
    for (unsigned i = 0; i < 16; ++i)
        EXPECT_FALSE(WTF::find8NonASCII(vector.data(), 4095 - i));

    vector[1024] = 0x80;
    EXPECT_EQ(WTF::find8NonASCII(vector.data(), 4096) - vector.data(), 1024);
    EXPECT_FALSE(WTF::find8NonASCII(vector.data(), 1023));

    vector[1024] = 0xff;
    EXPECT_EQ(WTF::find8NonASCII(vector.data(), 4096) - vector.data(), 1024);
    EXPECT_FALSE(WTF::find8NonASCII(vector.data(), 1023));

    vector[1024] = 0x7f;
    EXPECT_EQ(WTF::find8NonASCII(vector.data(), 4096) - vector.data(), 4095);

    vector[0] = 0xff;
    EXPECT_EQ(WTF::find8NonASCII(vector.data(), 4096) - vector.data(), 0);
    for (int i = 0; i < 16; ++i) {
        vector[i] = 0xff;
        EXPECT_EQ(WTF::find8NonASCII(vector.data() + i, 4096 - i) - vector.data(), i);
    }
}

TEST(WTF_StringCommon, Find16NonASCII)
{
    Vector<UChar> vector(4096);
    vector.fill('a');

    EXPECT_FALSE(WTF::find16NonASCII(vector.data(), 4096));

    vector[4095] = 0x80;
    EXPECT_EQ(WTF::find16NonASCII(vector.data(), 4096) - vector.data(), 4095);
    for (unsigned i = 0; i < 16; ++i)
        EXPECT_FALSE(WTF::find16NonASCII(vector.data(), 4095 - i));

    vector[1024] = 0x80;
    EXPECT_EQ(WTF::find16NonASCII(vector.data(), 4096) - vector.data(), 1024);
    EXPECT_FALSE(WTF::find16NonASCII(vector.data(), 1023));

    vector[1024] = 0xff;
    EXPECT_EQ(WTF::find16NonASCII(vector.data(), 4096) - vector.data(), 1024);
    EXPECT_FALSE(WTF::find16NonASCII(vector.data(), 1023));

    vector[1024] = 0x7f;
    EXPECT_EQ(WTF::find16NonASCII(vector.data(), 4096) - vector.data(), 4095);

    vector[0] = 0xff;
    EXPECT_EQ(WTF::find16NonASCII(vector.data(), 4096) - vector.data(), 0);
    for (int i = 0; i < 16; ++i) {
        vector[i] = 0xff;
        EXPECT_EQ(WTF::find16NonASCII(vector.data() + i, 4096 - i) - vector.data(), i);
    }
}
#endif

} // namespace