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Diffstat (limited to 'image_index_unittest.cc')
| -rw-r--r-- | image_index_unittest.cc | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/image_index_unittest.cc b/image_index_unittest.cc new file mode 100644 index 0000000..cf6f8a7 --- /dev/null +++ b/image_index_unittest.cc @@ -0,0 +1,131 @@ +// Copyright 2017 The Chromium 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 "components/zucchini/image_index.h" + +#include <stddef.h> + +#include <numeric> +#include <vector> + +#include "base/test/gtest_util.h" +#include "components/zucchini/image_utils.h" +#include "components/zucchini/test_disassembler.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace zucchini { + +class ImageIndexTest : public testing::Test { + protected: + ImageIndexTest() + : buffer_(20), + image_index_(ConstBufferView(buffer_.data(), buffer_.size())) { + std::iota(buffer_.begin(), buffer_.end(), 0); + } + + void InitializeWithDefaultTestData() { + TestDisassembler disasm({2, TypeTag(0), PoolTag(0)}, + {{1, 0}, {8, 1}, {10, 2}}, + {4, TypeTag(1), PoolTag(0)}, {{3, 3}}, + {3, TypeTag(2), PoolTag(1)}, {{12, 4}, {17, 5}}); + EXPECT_TRUE(image_index_.Initialize(&disasm)); + } + + std::vector<uint8_t> buffer_; + ImageIndex image_index_; +}; + +TEST_F(ImageIndexTest, TypeAndPool) { + TestDisassembler disasm({2, TypeTag(0), PoolTag(0)}, {}, + {4, TypeTag(1), PoolTag(0)}, {}, + {3, TypeTag(2), PoolTag(1)}, {}); + EXPECT_TRUE(image_index_.Initialize(&disasm)); + + EXPECT_EQ(3U, image_index_.TypeCount()); + EXPECT_EQ(2U, image_index_.PoolCount()); + + EXPECT_EQ(TypeTag(0), image_index_.refs(TypeTag(0)).type_tag()); + EXPECT_EQ(TypeTag(1), image_index_.refs(TypeTag(1)).type_tag()); + EXPECT_EQ(TypeTag(2), image_index_.refs(TypeTag(2)).type_tag()); + + EXPECT_EQ(PoolTag(0), image_index_.refs(TypeTag(0)).pool_tag()); + EXPECT_EQ(PoolTag(0), image_index_.refs(TypeTag(1)).pool_tag()); + EXPECT_EQ(PoolTag(1), image_index_.refs(TypeTag(2)).pool_tag()); +} + +TEST_F(ImageIndexTest, InvalidInitialize1) { + // Overlap within the same group. + TestDisassembler disasm({2, TypeTag(0), PoolTag(0)}, {{1, 0}, {2, 0}}, + {4, TypeTag(1), PoolTag(0)}, {}, + {3, TypeTag(2), PoolTag(1)}, {}); + EXPECT_FALSE(image_index_.Initialize(&disasm)); +} + +TEST_F(ImageIndexTest, InvalidInitialize2) { + // Overlap across different readers. + TestDisassembler disasm({2, TypeTag(0), PoolTag(0)}, + {{1, 0}, {8, 1}, {10, 2}}, + {4, TypeTag(1), PoolTag(0)}, {{3, 3}}, + {3, TypeTag(2), PoolTag(1)}, {{11, 0}}); + EXPECT_FALSE(image_index_.Initialize(&disasm)); +} + +TEST_F(ImageIndexTest, LookupType) { + InitializeWithDefaultTestData(); + + std::vector<int> expected = { + -1, // raw + 0, 0, // ref 0 + 1, 1, 1, 1, // ref 1 + -1, // raw + 0, 0, // ref 0 + 0, 0, // ref 0 + 2, 2, 2, // ref 2 + -1, -1, // raw + 2, 2, 2, // ref 2 + }; + + for (offset_t i = 0; i < image_index_.size(); ++i) + EXPECT_EQ(TypeTag(expected[i]), image_index_.LookupType(i)); +} + +TEST_F(ImageIndexTest, IsToken) { + InitializeWithDefaultTestData(); + + std::vector<bool> expected = { + 1, // raw + 1, 0, // ref 0 + 1, 0, 0, 0, // ref 1 + 1, // raw + 1, 0, // ref 0 + 1, 0, // ref 0 + 1, 0, 0, // ref 2 + 1, 1, // raw + 1, 0, 0, // ref 2 + }; + + for (offset_t i = 0; i < image_index_.size(); ++i) + EXPECT_EQ(expected[i], image_index_.IsToken(i)); +} + +TEST_F(ImageIndexTest, IsReference) { + InitializeWithDefaultTestData(); + + std::vector<bool> expected = { + 0, // raw + 1, 1, // ref 0 + 1, 1, 1, 1, // ref 1 + 0, // raw + 1, 1, // ref 0 + 1, 1, // ref 0 + 1, 1, 1, // ref 2 + 0, 0, // raw + 1, 1, 1, // ref 2 + }; + + for (offset_t i = 0; i < image_index_.size(); ++i) + EXPECT_EQ(expected[i], image_index_.IsReference(i)); +} + +} // namespace zucchini |