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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <wtf/LEBDecoder.h>
#include <wtf/Vector.h>
namespace TestWebKitAPI {
static void testUInt32LEBDecode(std::initializer_list<uint8_t> data, size_t startOffset, bool expectedStatus, uint32_t expectedResult, size_t expectedOffset)
{
Vector<uint8_t> vector(data);
uint32_t result;
bool status = WTF::LEBDecoder::decodeUInt32(vector.data(), vector.size(), startOffset, result);
EXPECT_EQ(expectedStatus, status);
if (expectedStatus) {
EXPECT_EQ(expectedResult, result);
EXPECT_EQ(expectedOffset, startOffset);
}
}
TEST(WTF, LEBDecoderUInt32)
{
// Simple tests that use all the bits in the array
testUInt32LEBDecode({ 0x07 }, 0, true, 0x7lu, 1lu);
testUInt32LEBDecode({ 0x77 }, 0, true, 0x77lu, 1lu);
testUInt32LEBDecode({ 0x80, 0x07 }, 0, true, 0x380lu, 2lu);
testUInt32LEBDecode({ 0x89, 0x12 }, 0, true, 0x909lu, 2lu);
testUInt32LEBDecode({ 0xf3, 0x85, 0x02 }, 0, true, 0x82f3lu, 3lu);
testUInt32LEBDecode({ 0xf3, 0x85, 0xff, 0x74 }, 0, true, 0xe9fc2f3lu, 4lu);
testUInt32LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x7f }, 0, true, 0xfe9fc2f3lu, 5lu);
// Test with extra trailing numbers
testUInt32LEBDecode({ 0x07, 0x80 }, 0, true, 0x7lu, 1lu);
testUInt32LEBDecode({ 0x07, 0x75 }, 0, true, 0x7lu, 1lu);
testUInt32LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x43 }, 0, true, 0xe9fc2f3lu, 4lu);
testUInt32LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x80 }, 0, true, 0xe9fc2f3lu, 4lu);
// Test with preceeding numbers
testUInt32LEBDecode({ 0xf3, 0x07 }, 1, true, 0x7lu, 2lu);
testUInt32LEBDecode({ 0x03, 0x07 }, 1, true, 0x7lu, 2lu);
testUInt32LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77 }, 5, true, 0x77lu, 6lu);
testUInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77 }, 5, true, 0x77lu, 6ul);
testUInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02 }, 3, true, 0x82f3lu, 6lu);
// Test in the middle
testUInt32LEBDecode({ 0xf3, 0x07, 0x89 }, 1, true, 0x7lu, 2lu);
testUInt32LEBDecode({ 0x03, 0x07, 0x23 }, 1, true, 0x7lu, 2lu);
testUInt32LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77, 0x43 }, 5, true, 0x77lu, 6lu);
testUInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77, 0xf9 }, 5, true, 0x77lu, 6lu);
testUInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02, 0xa4 }, 3, true, 0x82f3lu, 6lu);
// Test decode too long
testUInt32LEBDecode({ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }, 0, false, 0x0lu, 0lu);
testUInt32LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 1, false, 0x0lu, 0lu);
testUInt32LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 0, false, 0x0lu, 0lu);
// Test decode off end of array
testUInt32LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 2, false, 0x0lu, 0lu);
}
static void testUInt64LEBDecode(std::initializer_list<uint8_t> data, size_t startOffset, bool expectedStatus, uint64_t expectedResult, size_t expectedOffset)
{
Vector<uint8_t> vector(data);
uint64_t result;
bool status = WTF::LEBDecoder::decodeUInt64(vector.data(), vector.size(), startOffset, result);
EXPECT_EQ(expectedStatus, status);
if (expectedStatus) {
EXPECT_EQ(expectedResult, result);
EXPECT_EQ(expectedOffset, startOffset);
}
}
TEST(WTF, LEBDecoderUInt64)
{
// Simple tests that use all the bits in the array
testUInt64LEBDecode({ 0x07 }, 0, true, 0x7lu, 1lu);
testUInt64LEBDecode({ 0x77 }, 0, true, 0x77lu, 1lu);
testUInt64LEBDecode({ 0x80, 0x07 }, 0, true, 0x380lu, 2lu);
testUInt64LEBDecode({ 0x89, 0x12 }, 0, true, 0x909lu, 2lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0x02 }, 0, true, 0x82f3lu, 3lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0x74 }, 0, true, 0xe9fc2f3lu, 4lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x7f }, 0, true, 0x7fe9fc2f3lu, 5lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0x4b }, 0, true, 0x25ffe9fc2f3lu, 6lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0x3a }, 0, true, 0xea5ffe9fc2f3lu, 7lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x0f }, 0, true, 0x1eea5ffe9fc2f3lu, 8lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0x69 }, 0, true, 0x691eea5ffe9fc2f3lu, 9lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0xe9, 0x01 }, 0, true, 0xe91eea5ffe9fc2f3lu, 10lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0xe9, 0x70 }, 0, true, 0x691eea5ffe9fc2f3lu, 10lu);
// Test with extra trailing numbers
testUInt64LEBDecode({ 0x07, 0x80 }, 0, true, 0x7lu, 1lu);
testUInt64LEBDecode({ 0x07, 0x75 }, 0, true, 0x7lu, 1lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x43 }, 0, true, 0xe9fc2f3lu, 4lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x80 }, 0, true, 0xe9fc2f3lu, 4lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0x69, 0x45 }, 0, true, 0x691eea5ffe9fc2f3lu, 9lu);
// Test with preceeding numbers
testUInt64LEBDecode({ 0xf3, 0x07 }, 1, true, 0x7lu, 2lu);
testUInt64LEBDecode({ 0x03, 0x07 }, 1, true, 0x7lu, 2lu);
testUInt64LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77 }, 5, true, 0x77lu, 6lu);
testUInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77 }, 5, true, 0x77lu, 6ul);
testUInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02 }, 3, true, 0x82f3lu, 6lu);
testUInt64LEBDecode({ 0x92, 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0x69 }, 1, true, 0x691eea5ffe9fc2f3lu, 10lu);
// Test in the middle
testUInt64LEBDecode({ 0xf3, 0x07, 0x89 }, 1, true, 0x7lu, 2lu);
testUInt64LEBDecode({ 0x03, 0x07, 0x23 }, 1, true, 0x7lu, 2lu);
testUInt64LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77, 0x43 }, 5, true, 0x77lu, 6lu);
testUInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77, 0xf9 }, 5, true, 0x77lu, 6lu);
testUInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02, 0xa4 }, 3, true, 0x82f3lu, 6lu);
testUInt64LEBDecode({ 0x92, 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0x69, 0x85, 0x75 }, 1, true, 0x691eea5ffe9fc2f3lu, 10lu);
testUInt64LEBDecode({ 0x92, 0x65, 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0x69, 0x85, 0x75 }, 2, true, 0x691eea5ffe9fc2f3lu, 11lu);
// Test decode too long
testUInt64LEBDecode({ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }, 0, false, 0x0lu, 0lu);
testUInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xa3, 0x9f, 0xd2, 0xef, 0x8a, 0x4e }, 1, false, 0x0lu, 0lu);
testUInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff, 0xef, 0xd8, 0xee, 0xaa, 0xbb }, 0, false, 0x0lu, 0lu);
testUInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f, 0xa9, 0xa8, 0x05 }, 0, false, 0x0lu, 0lu);
// Test decode off end of array
testUInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 2, false, 0x0lu, 0lu);
testUInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 2, false, 0x0lu, 0lu);
testUInt64LEBDecode({ 0x92, 0xf3, 0x85, 0xff, 0xf4, 0xff, 0xcb, 0xba, 0x8f }, 1, false, 0x0lu, 0lu);
}
static void testInt32LEBDecode(std::initializer_list<uint8_t> data, size_t startOffset, bool expectedStatus, int32_t expectedResult, size_t expectedOffset)
{
Vector<uint8_t> vector(data);
int32_t result;
bool status = WTF::LEBDecoder::decodeInt32(vector.data(), vector.size(), startOffset, result);
EXPECT_EQ(expectedStatus, status);
if (expectedStatus) {
EXPECT_EQ(expectedResult, result);
EXPECT_EQ(expectedOffset, startOffset);
}
}
TEST(WTF, LEBDecoderInt32)
{
// Simple tests that use all the bits in the array
testInt32LEBDecode({ 0x07 }, 0, true, 0x7, 1lu);
testInt32LEBDecode({ 0x77 }, 0, true, -0x9, 1lu);
testInt32LEBDecode({ 0x80, 0x07 }, 0, true, 0x380, 2lu);
testInt32LEBDecode({ 0x89, 0x12 }, 0, true, 0x909, 2lu);
testInt32LEBDecode({ 0xf3, 0x85, 0x02 }, 0, true, 0x82f3, 3lu);
testInt32LEBDecode({ 0xf3, 0x85, 0xff, 0x74 }, 0, true, 0xfe9fc2f3, 4lu);
testInt32LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x7f }, 0, true, 0xfe9fc2f3, 5lu);
// Test with extra trailing numbers
testInt32LEBDecode({ 0x07, 0x80 }, 0, true, 0x7, 1lu);
testInt32LEBDecode({ 0x07, 0x75 }, 0, true, 0x7, 1lu);
testInt32LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x43 }, 0, true, 0xfe9fc2f3, 4lu);
testInt32LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x80 }, 0, true, 0xfe9fc2f3, 4lu);
// Test with preceeding numbers
testInt32LEBDecode({ 0xf3, 0x07 }, 1, true, 0x7, 2lu);
testInt32LEBDecode({ 0x03, 0x07 }, 1, true, 0x7, 2lu);
testInt32LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77 }, 5, true, -0x9, 6lu);
testInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77 }, 5, true, -0x9, 6lu);
testInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02 }, 3, true, 0x82f3, 6lu);
// Test in the middle
testInt32LEBDecode({ 0xf3, 0x07, 0x89 }, 1, true, 0x7, 2lu);
testInt32LEBDecode({ 0x03, 0x07, 0x23 }, 1, true, 0x7, 2lu);
testInt32LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77, 0x43 }, 5, true, -0x9, 6lu);
testInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77, 0xf9 }, 5, true, -0x9, 6lu);
testInt32LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02, 0xa4 }, 3, true, 0x82f3, 6lu);
// Test decode too long
testInt32LEBDecode({ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }, 0, false, 0x0, 0lu);
testInt32LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 1, false, 0x0, 0lu);
testInt32LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 0, false, 0x0, 0lu);
// Test decode off end of array
testInt32LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 2, false, 0x0, 0lu);
}
static void testInt64LEBDecode(std::initializer_list<uint8_t> data, size_t startOffset, bool expectedStatus, int64_t expectedResult, size_t expectedOffset)
{
Vector<uint8_t> vector(data);
int64_t result;
bool status = WTF::LEBDecoder::decodeInt64(vector.data(), vector.size(), startOffset, result);
EXPECT_EQ(expectedStatus, status);
if (expectedStatus) {
EXPECT_EQ(expectedResult, result);
EXPECT_EQ(expectedOffset, startOffset);
}
}
TEST(WTF, LEBDecoderInt64)
{
// Simple tests that use all the bits in the array
testInt64LEBDecode({ 0x07 }, 0, true, 0x7, 1lu);
testInt64LEBDecode({ 0x77 }, 0, true, -0x9, 1lu);
testInt64LEBDecode({ 0x80, 0x07 }, 0, true, 0x380, 2lu);
testInt64LEBDecode({ 0x89, 0x12 }, 0, true, 0x909, 2lu);
testInt64LEBDecode({ 0xf3, 0x85, 0x02 }, 0, true, 0x82f3, 3lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0x74 }, 0, true, 0xfffffffffe9fc2f3, 4lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x7f }, 0, true, 0xfffffffffe9fc2f3, 5lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x3f }, 0, true, 0x3fe9fc2f3, 5lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x8f, 0x1a }, 0, true, 0xd0fe9fc2f3, 6lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x8f, 0x9a, 0x80, 0x2a }, 0, true, 0x5400d0fe9fc2f3, 8lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x8f, 0x9a, 0x80, 0xaa, 0x41 }, 0, true, 0xc15400d0fe9fc2f3, 9lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x8f, 0x9a, 0x80, 0xaa, 0xc1, 0x01 }, 0, true, 0xc15400d0fe9fc2f3, 10lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0xf4, 0x8f, 0x9a, 0x80, 0xaa, 0xc1, 0x62 }, 0, true, 0x415400d0fe9fc2f3, 10lu);
// Test with extra trailing numbers
testInt64LEBDecode({ 0x07, 0x80 }, 0, true, 0x7, 1lu);
testInt64LEBDecode({ 0x07, 0x75 }, 0, true, 0x7, 1lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x43 }, 0, true, 0xfffffffffe9fc2f3, 4lu);
testInt64LEBDecode({ 0xf3, 0x85, 0xff, 0x74, 0x80 }, 0, true, 0xfffffffffe9fc2f3, 4lu);
// Test with preceeding numbers
testInt64LEBDecode({ 0xf3, 0x07 }, 1, true, 0x7, 2lu);
testInt64LEBDecode({ 0x03, 0x07 }, 1, true, 0x7, 2lu);
testInt64LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77 }, 5, true, -0x9, 6lu);
testInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77 }, 5, true, -0x9, 6lu);
testInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02 }, 3, true, 0x82f3, 6lu);
// Test in the middle
testInt64LEBDecode({ 0xf3, 0x07, 0x89 }, 1, true, 0x7, 2lu);
testInt64LEBDecode({ 0x03, 0x07, 0x23 }, 1, true, 0x7, 2lu);
testInt64LEBDecode({ 0xf2, 0x53, 0x43, 0x67, 0x79, 0x77, 0x43 }, 5, true, -0x9, 6lu);
testInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf7, 0x84, 0x77, 0xf9 }, 5, true, -0x9, 6lu);
testInt64LEBDecode({ 0xf2, 0x53, 0x43, 0xf3, 0x85, 0x02, 0xa4 }, 3, true, 0x82f3, 6lu);
// Test decode too long
testInt64LEBDecode({ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }, 0, false, 0x0, 0lu);
testInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 1, false, 0x0, 0lu);
testInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 0, false, 0x0, 0lu);
// Test decode off end of array
testInt64LEBDecode({ 0x80, 0x80, 0xab, 0x8a, 0x9a, 0xa3, 0xff }, 2, false, 0x0, 0lu);
}
} // namespace TestWebKitAPI
|
