blob: 792b90dfcbfff8b053ab4950db1017a2e017b237 [file] [log] [blame]
// Copyright 2015 The Chromium OS 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 "bsdiff/extents.h"
#include <gtest/gtest.h>
#include <vector>
namespace bsdiff {
// ex_t comparator used for testing.
bool operator==(const struct ex_t& lhs, const struct ex_t& rhs) {
return lhs.off == rhs.off && lhs.len == rhs.len;
}
// PrintTo is used by gtest framework whenever it needs to print our type.
void PrintTo(const struct ex_t& extent, ::std::ostream* os) {
*os << extent.off << ":" << extent.len;
}
class ExtentsTest : public testing::Test {
protected:
std::vector<ex_t> extents_;
};
TEST_F(ExtentsTest, CornerCasesHandledTest) {
EXPECT_TRUE(ParseExtentStr("", &extents_));
EXPECT_TRUE(extents_.empty());
}
TEST_F(ExtentsTest, SimpleCasesTest) {
EXPECT_TRUE(ParseExtentStr("10:20,30:40", &extents_));
std::vector<ex_t> expected_values = {{10, 20}, {30, 40}};
EXPECT_EQ(expected_values, extents_);
}
TEST_F(ExtentsTest, MalformedExtentsTest) {
std::vector<const char*> test_cases = {
":", ",", "1,2", "1:", "1,", ":2", ",2", "1,2:3", "10:-1", "-2:10"};
for (const char* test_case : test_cases) {
std::vector<ex_t> extents;
EXPECT_FALSE(ParseExtentStr(test_case, &extents)) << "while testing case \""
<< test_case << "\"";
EXPECT_EQ(std::vector<ex_t>(), extents);
}
}
TEST_F(ExtentsTest, NegativeValuesTest) {
// |-1| is used as a special case to read zeros for that extent.
EXPECT_TRUE(ParseExtentStr("10:20,-1:40,50:60", &extents_));
std::vector<ex_t> expected_values = {{10, 20}, {-1, 40}, {50, 60}};
EXPECT_EQ(expected_values, extents_);
}
} // namespace bsdiff