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56 lines
1.7 KiB
56 lines
1.7 KiB
// Copyright 2015 The Chromium OS Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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#include "extents.h" |
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#include <gtest/gtest.h> |
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#include <vector> |
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namespace bsdiff { |
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// ex_t comparator used for testing. |
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bool operator==(const struct ex_t& lhs, const struct ex_t& rhs) { |
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return lhs.off == rhs.off && lhs.len == rhs.len; |
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} |
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// PrintTo is used by gtest framework whenever it needs to print our type. |
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void PrintTo(const struct ex_t& extent, ::std::ostream* os) { |
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*os << extent.off << ":" << extent.len; |
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} |
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class ExtentsTest : public testing::Test { |
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protected: |
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std::vector<ex_t> extents_; |
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}; |
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TEST_F(ExtentsTest, CornerCasesHandledTest) { |
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EXPECT_TRUE(ParseExtentStr("", &extents_)); |
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EXPECT_TRUE(extents_.empty()); |
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} |
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TEST_F(ExtentsTest, SimpleCasesTest) { |
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EXPECT_TRUE(ParseExtentStr("10:20,30:40", &extents_)); |
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std::vector<ex_t> expected_values = {{10, 20}, {30, 40}}; |
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EXPECT_EQ(expected_values, extents_); |
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} |
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TEST_F(ExtentsTest, MalformedExtentsTest) { |
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std::vector<const char*> test_cases = { |
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":", ",", "1,2", "1:", "1,", ":2", ",2", "1,2:3", "10:-1", "-2:10"}; |
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for (const char* test_case : test_cases) { |
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std::vector<ex_t> extents; |
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EXPECT_FALSE(ParseExtentStr(test_case, &extents)) << "while testing case \"" |
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<< test_case << "\""; |
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EXPECT_EQ(std::vector<ex_t>(), extents); |
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} |
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} |
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TEST_F(ExtentsTest, NegativeValuesTest) { |
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// |-1| is used as a special case to read zeros for that extent. |
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EXPECT_TRUE(ParseExtentStr("10:20,-1:40,50:60", &extents_)); |
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std::vector<ex_t> expected_values = {{10, 20}, {-1, 40}, {50, 60}}; |
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EXPECT_EQ(expected_values, extents_); |
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} |
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} // namespace bsdiff
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