mirror of
https://github.com/diasurgical/DevilutionX.git
synced 2026-10-12 02:13:06 +00:00
Gleb Mazovetskiy
f2cb9f0fa0
With this, we no longer require `std::filesystem` support to create the save file directory when it does not exist. Note that by default the save file directory exists because it is created by SDL, so this is mostly useful on platforms that override the save directory or use `UNPACKED_SAVES`.
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
#include <gtest/gtest.h>
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#include <cstdio>
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#include "utils/file_util.h"
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using namespace devilution;
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namespace {
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void WriteDummyFile(const char *name, std::uintmax_t size)
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{
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std::printf("Writing test file %s\n", name);
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FILE *test_file = std::fopen(name, "wb");
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ASSERT_TRUE(test_file != nullptr);
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const char c = '\0';
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for (std::uintmax_t i = 0; i < size; ++i) {
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std::fwrite(&c, sizeof(c), 1, test_file);
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ASSERT_EQ(std::ferror(test_file), 0);
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}
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std::fclose(test_file);
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}
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std::string GetTmpPathName(const char *suffix = ".tmp")
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{
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const auto *current_test = ::testing::UnitTest::GetInstance()->current_test_info();
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std::string result = "Test_";
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result.append(current_test->test_case_name());
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result += '_';
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result.append(current_test->name());
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result.append(suffix);
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return result;
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}
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TEST(FileUtil, GetFileSize)
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{
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const std::string path = GetTmpPathName();
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WriteDummyFile(path.c_str(), 42);
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std::uintmax_t result;
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ASSERT_TRUE(GetFileSize(path.c_str(), &result));
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EXPECT_EQ(result, 42);
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}
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TEST(FileUtil, FileExists)
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{
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EXPECT_FALSE(FileExists("this-file-should-not-exist"));
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const std::string path = GetTmpPathName();
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WriteDummyFile(path.c_str(), 42);
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EXPECT_TRUE(FileExists(path.c_str()));
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}
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TEST(FileUtil, ResizeFile)
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{
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const std::string path = GetTmpPathName();
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WriteDummyFile(path.c_str(), 42);
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std::uintmax_t size;
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ASSERT_TRUE(GetFileSize(path.c_str(), &size));
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EXPECT_EQ(size, 42);
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ASSERT_TRUE(ResizeFile(path.c_str(), 30));
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ASSERT_TRUE(GetFileSize(path.c_str(), &size));
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EXPECT_EQ(size, 30);
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}
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TEST(FileUtil, Dirname)
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{
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EXPECT_EQ(Dirname(""), ".");
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EXPECT_EQ(Dirname("abc"), ".");
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EXPECT_EQ(Dirname(DIRECTORY_SEPARATOR_STR), DIRECTORY_SEPARATOR_STR);
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EXPECT_EQ(Dirname(DIRECTORY_SEPARATOR_STR DIRECTORY_SEPARATOR_STR), DIRECTORY_SEPARATOR_STR);
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EXPECT_EQ(Dirname("a" DIRECTORY_SEPARATOR_STR "b"), "a");
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EXPECT_EQ(Dirname("a" DIRECTORY_SEPARATOR_STR "b" DIRECTORY_SEPARATOR_STR "c"),
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"a" DIRECTORY_SEPARATOR_STR "b");
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EXPECT_EQ(Dirname("a" DIRECTORY_SEPARATOR_STR "b" DIRECTORY_SEPARATOR_STR "c"),
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"a" DIRECTORY_SEPARATOR_STR "b");
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}
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TEST(FileUtil, RecursivelyCreateDir)
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{
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const std::string path = GetTmpPathName(/*suffix=*/"") + DIRECTORY_SEPARATOR_STR
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+ "a" + DIRECTORY_SEPARATOR_STR + "b" + DIRECTORY_SEPARATOR_STR + "c";
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RecursivelyCreateDir(path.c_str());
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EXPECT_TRUE(DirectoryExists(path.c_str()));
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}
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} // namespace
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