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Diffstat (limited to 'deps/v8/test/unittests/eh-frame-iterator-unittest.cc')
-rw-r--r-- | deps/v8/test/unittests/eh-frame-iterator-unittest.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/deps/v8/test/unittests/eh-frame-iterator-unittest.cc b/deps/v8/test/unittests/eh-frame-iterator-unittest.cc new file mode 100644 index 0000000000..27485db67e --- /dev/null +++ b/deps/v8/test/unittests/eh-frame-iterator-unittest.cc @@ -0,0 +1,61 @@ +// Copyright 2016 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "src/eh-frame.h" +#include "testing/gtest/include/gtest/gtest.h" + +// Test enabled only on supported architectures. +#if defined(V8_TARGET_ARCH_X64) || defined(V8_TARGET_ARCH_ARM) || \ + defined(V8_TARGET_ARCH_ARM64) + +using namespace v8::internal; + +namespace { + +class EhFrameIteratorTest : public testing::Test {}; + +} // namespace + +TEST_F(EhFrameIteratorTest, Values) { + // Assuming little endian. + static const byte kEncoded[] = {0xde, 0xc0, 0xad, 0xde, 0xef, 0xbe, 0xff}; + EhFrameIterator iterator(&kEncoded[0], &kEncoded[0] + sizeof(kEncoded)); + EXPECT_EQ(0xdeadc0de, iterator.GetNextUInt32()); + EXPECT_EQ(0xbeef, iterator.GetNextUInt16()); + EXPECT_EQ(0xff, iterator.GetNextByte()); + EXPECT_TRUE(iterator.Done()); +} + +TEST_F(EhFrameIteratorTest, Skip) { + static const byte kEncoded[] = {0xde, 0xad, 0xc0, 0xde}; + EhFrameIterator iterator(&kEncoded[0], &kEncoded[0] + sizeof(kEncoded)); + iterator.Skip(2); + EXPECT_EQ(2, iterator.GetCurrentOffset()); + EXPECT_EQ(0xc0, iterator.GetNextByte()); + iterator.Skip(1); + EXPECT_TRUE(iterator.Done()); +} + +TEST_F(EhFrameIteratorTest, ULEB128Decoding) { + static const byte kEncoded[] = {0xe5, 0x8e, 0x26}; + EhFrameIterator iterator(&kEncoded[0], &kEncoded[0] + sizeof(kEncoded)); + EXPECT_EQ(624485, iterator.GetNextULeb128()); + EXPECT_TRUE(iterator.Done()); +} + +TEST_F(EhFrameIteratorTest, SLEB128DecodingPositive) { + static const byte kEncoded[] = {0xe5, 0x8e, 0x26}; + EhFrameIterator iterator(&kEncoded[0], &kEncoded[0] + sizeof(kEncoded)); + EXPECT_EQ(624485, iterator.GetNextSLeb128()); + EXPECT_TRUE(iterator.Done()); +} + +TEST_F(EhFrameIteratorTest, SLEB128DecodingNegative) { + static const byte kEncoded[] = {0x9b, 0xf1, 0x59}; + EhFrameIterator iterator(&kEncoded[0], &kEncoded[0] + sizeof(kEncoded)); + EXPECT_EQ(-624485, iterator.GetNextSLeb128()); + EXPECT_TRUE(iterator.Done()); +} + +#endif |