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57 lines
1.7 KiB
57 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 "bsdiff/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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