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// Copyright 2015 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 <string>
#include "base/files/file_util.h"
#include "base/rand_util.h"
#include "chromecast/crash/linux/dummy_minidump_generator.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace chromecast {
TEST(DummyMinidumpGeneratorTest, GenerateFailsWithInvalidPath) {
// Create directory in which to put minidump.
base::FilePath minidump_dir;
ASSERT_TRUE(base::CreateNewTempDirectory("", &minidump_dir));
// Attempt to generate a minidump from an invalid path.
DummyMinidumpGenerator generator("/path/does/not/exist/minidump.dmp");
ASSERT_FALSE(generator.Generate(minidump_dir.Append("minidump.dmp").value()));
}
TEST(DummyMinidumpGeneratorTest, GenerateSucceedsWithSmallSource) {
// Create directory in which to put minidump.
base::FilePath minidump_dir;
ASSERT_TRUE(base::CreateNewTempDirectory("", &minidump_dir));
// Create a fake minidump file.
base::FilePath fake_minidump;
ASSERT_TRUE(base::CreateTemporaryFile(&fake_minidump));
const std::string data("Test contents of the minidump file.\n");
ASSERT_EQ(static_cast<int>(data.size()),
base::WriteFile(fake_minidump, data.c_str(), data.size()));
DummyMinidumpGenerator generator(fake_minidump.value());
base::FilePath new_minidump = minidump_dir.Append("minidump.dmp");
EXPECT_TRUE(generator.Generate(new_minidump.value()));
// Original file should not exist, and new file should contain original
// contents.
std::string copied_data;
EXPECT_FALSE(base::PathExists(fake_minidump));
ASSERT_TRUE(base::PathExists(new_minidump));
EXPECT_TRUE(base::ReadFileToString(new_minidump, &copied_data));
EXPECT_EQ(data, copied_data);
}
TEST(DummyMinidumpGeneratorTest, GenerateSucceedsWithLargeSource) {
// Create directory in which to put minidump.
base::FilePath minidump_dir;
ASSERT_TRUE(base::CreateNewTempDirectory("", &minidump_dir));
// Create a large fake minidump file.
base::FilePath fake_minidump;
ASSERT_TRUE(base::CreateTemporaryFile(&fake_minidump));
size_t str_len = 32768 * 10 + 1;
const std::string data = base::RandBytesAsString(str_len);
// Write the string to the file.
ASSERT_EQ(static_cast<int>(data.size()),
base::WriteFile(fake_minidump, data.c_str(), data.size()));
base::FilePath new_minidump = minidump_dir.Append("minidump.dmp");
DummyMinidumpGenerator generator(fake_minidump.value());
ASSERT_TRUE(generator.Generate(new_minidump.value()));
// Original file should not exist, and new file should contain original
// contents.
std::string copied_data;
EXPECT_FALSE(base::PathExists(fake_minidump));
ASSERT_TRUE(base::PathExists(new_minidump));
EXPECT_TRUE(base::ReadFileToString(new_minidump, &copied_data));
EXPECT_EQ(data, copied_data);
}
} // namespace chromecast
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