Tools/TestWebKitAPI/Tests/WebCore/ParsedContentRange.cpp

/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
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#include "config.h"

#include <WebCore/ParsedContentRange.h>
#include <wtf/text/WTFString.h>

using namespace WebCore;

namespace TestWebKitAPI {

TEST(WebCore, ParsedContentRangeFromString)
{
    // Basic parsing
    ASSERT_TRUE(ParsedContentRange("bytes 0-1/2").isValid());
    ASSERT_TRUE(ParsedContentRange("bytes 0-1/*").isValid());
    ASSERT_EQ(0, ParsedContentRange("bytes 0-1/2").firstBytePosition());
    ASSERT_EQ(1, ParsedContentRange("bytes 0-1/2").lastBytePosition());
    ASSERT_EQ(2, ParsedContentRange("bytes 0-1/2").instanceLength());
    ASSERT_EQ(ParsedContentRange::UnknownLength, ParsedContentRange("bytes 0-1/*").instanceLength());

    // Whitespace errors
    ASSERT_FALSE(ParsedContentRange("bytes  0-1/*").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0 -1/*").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0- 1/*").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1 /*").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1/ *").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1/* ").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1/ 2").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1/2 ").isValid());

    // Non-digit errors
    ASSERT_FALSE(ParsedContentRange("bytes abcd-1/2").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-abcd/2").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1/abcd").isValid());

    // Range requirement errors
    ASSERT_FALSE(ParsedContentRange("bytes 1-0/2").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-2/1").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 2/0-1").isValid());
    ASSERT_FALSE(ParsedContentRange("abcd 0/1-2").isValid());

    // Negative value errors
    ASSERT_FALSE(ParsedContentRange("bytes -0-1/*").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes -1/*").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0--0/2").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 0-1/-2").isValid());

    // Edge cases
    ASSERT_TRUE(ParsedContentRange("bytes 9223372036854775805-9223372036854775806/9223372036854775807").isValid());
    ASSERT_FALSE(ParsedContentRange("bytes 9223372036854775808-9223372036854775809/9223372036854775810").isValid());
}

TEST(WebCore, ParsedContentRangeFromValues)
{
    ASSERT_TRUE(ParsedContentRange(0, 1, 2).isValid());
    ASSERT_TRUE(ParsedContentRange(0, 1, ParsedContentRange::UnknownLength).isValid());
    ASSERT_FALSE(ParsedContentRange().isValid());
    ASSERT_FALSE(ParsedContentRange(1, 0, 2).isValid());
    ASSERT_FALSE(ParsedContentRange(0, 2, 1).isValid());
    ASSERT_FALSE(ParsedContentRange(0, 0, 0).isValid());
    ASSERT_FALSE(ParsedContentRange(-1, 1, 2).isValid());
    ASSERT_FALSE(ParsedContentRange(0, -1, 2).isValid());
    ASSERT_FALSE(ParsedContentRange(0, 1, -2).isValid());
    ASSERT_FALSE(ParsedContentRange(-2, -1, 2).isValid());
}

TEST(WebCore, ParsedContentRangeToString)
{
    ASSERT_STREQ("bytes 0-1/2", ParsedContentRange(0, 1, 2).headerValue().utf8().data());
    ASSERT_STREQ("bytes 0-1/*", ParsedContentRange(0, 1, ParsedContentRange::UnknownLength).headerValue().utf8().data());
    ASSERT_STREQ("", ParsedContentRange().headerValue().utf8().data());
}

}