Misc cleanups to the FileSytem api.
[oota-llvm.git] / unittests / Support / FileOutputBufferTest.cpp
index 4c0d57b84526fc05bed21c3b9b5ad81c2a118547..911d51613b14fa169606ea0ed8bee9888f762ed7 100644 (file)
@@ -7,44 +7,39 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/Support/Errc.h"
 #include "llvm/Support/FileOutputBuffer.h"
-
-#include "llvm/ADT/OwningPtr.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileSystem.h"
-#include "llvm/Support/PathV2.h"
+#include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
-
 #include "gtest/gtest.h"
 
 using namespace llvm;
 using namespace llvm::sys;
 
-#define ASSERT_NO_ERROR(x) \
-  if (error_code ASSERT_NO_ERROR_ec = x) { \
-    errs() << #x ": did not return errc::success.\n" \
-            << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
-            << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
-  } else {}
+#define ASSERT_NO_ERROR(x)                                                     \
+  if (std::error_code ASSERT_NO_ERROR_ec = x) {                                \
+    errs() << #x ": did not return errc::success.\n"                           \
+           << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n"           \
+           << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n";       \
+  } else {                                                                     \
+  }
 
 namespace {
 TEST(FileOutputBuffer, Test) {
   // Create unique temporary directory for these tests
   SmallString<128> TestDirectory;
   {
-    int fd;
     ASSERT_NO_ERROR(
-      fs::unique_file("FileOutputBuffer-test-%%-%%-%%-%%/dir", fd,
-                      TestDirectory));
-    ::close(fd);
-    TestDirectory = path::parent_path(TestDirectory);
+        fs::createUniqueDirectory("FileOutputBuffer-test", TestDirectory));
   }
 
   // TEST 1: Verify commit case.
   SmallString<128> File1(TestDirectory);
        File1.append("/file1");
   {
-    OwningPtr<FileOutputBuffer> Buffer;
+    std::unique_ptr<FileOutputBuffer> Buffer;
     ASSERT_NO_ERROR(FileOutputBuffer::create(File1, 8192, Buffer));
     // Start buffer with special header.
     memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
@@ -53,36 +48,33 @@ TEST(FileOutputBuffer, Test) {
     // Commit buffer.
     ASSERT_NO_ERROR(Buffer->commit());
   }
-  // Verify file exists and starts with special header.
-  bool MagicMatches = false;
-  ASSERT_NO_ERROR(fs::has_magic(Twine(File1), Twine("AABBCCDDEEFFGGHHIIJJ"),
-                                                                MagicMatches));
-  EXPECT_TRUE(MagicMatches);
+
   // Verify file is correct size.
   uint64_t File1Size;
   ASSERT_NO_ERROR(fs::file_size(Twine(File1), File1Size));
   ASSERT_EQ(File1Size, 8192ULL);
+  ASSERT_NO_ERROR(fs::remove(File1.str()));
 
        // TEST 2: Verify abort case.
   SmallString<128> File2(TestDirectory);
        File2.append("/file2");
   {
-    OwningPtr<FileOutputBuffer> Buffer2;
+    std::unique_ptr<FileOutputBuffer> Buffer2;
     ASSERT_NO_ERROR(FileOutputBuffer::create(File2, 8192, Buffer2));
     // Fill buffer with special header.
     memcpy(Buffer2->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
     // Do *not* commit buffer.
   }
-  // Verify file does not exist (because buffer not commited).
-  bool Exists = false;
-  ASSERT_NO_ERROR(fs::exists(Twine(File2), Exists));
-  EXPECT_FALSE(Exists);
+  // Verify file does not exist (because buffer not committed).
+  ASSERT_EQ(fs::access(Twine(File2), fs::AccessMode::Exist),
+            errc::no_such_file_or_directory);
+  ASSERT_NO_ERROR(fs::remove(File2.str()));
 
   // TEST 3: Verify sizing down case.
   SmallString<128> File3(TestDirectory);
        File3.append("/file3");
   {
-    OwningPtr<FileOutputBuffer> Buffer;
+    std::unique_ptr<FileOutputBuffer> Buffer;
     ASSERT_NO_ERROR(FileOutputBuffer::create(File3, 8192000, Buffer));
     // Start buffer with special header.
     memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
@@ -91,21 +83,18 @@ TEST(FileOutputBuffer, Test) {
     // Commit buffer, but size down to smaller size
     ASSERT_NO_ERROR(Buffer->commit(5000));
   }
-  // Verify file exists and starts with special header.
-  bool MagicMatches3 = false;
-  ASSERT_NO_ERROR(fs::has_magic(Twine(File3), Twine("AABBCCDDEEFFGGHHIIJJ"),
-                                                              MagicMatches3));
-  EXPECT_TRUE(MagicMatches3);
+
   // Verify file is correct size.
   uint64_t File3Size;
   ASSERT_NO_ERROR(fs::file_size(Twine(File3), File3Size));
   ASSERT_EQ(File3Size, 5000ULL);
+  ASSERT_NO_ERROR(fs::remove(File3.str()));
 
   // TEST 4: Verify file can be made executable.
   SmallString<128> File4(TestDirectory);
        File4.append("/file4");
   {
-    OwningPtr<FileOutputBuffer> Buffer;
+    std::unique_ptr<FileOutputBuffer> Buffer;
     ASSERT_NO_ERROR(FileOutputBuffer::create(File4, 8192, Buffer,
                                               FileOutputBuffer::F_executable));
     // Start buffer with special header.
@@ -118,9 +107,9 @@ TEST(FileOutputBuffer, Test) {
   ASSERT_NO_ERROR(fs::status(Twine(File4), Status));
   bool IsExecutable = (Status.permissions() & fs::owner_exe);
   EXPECT_TRUE(IsExecutable);
+  ASSERT_NO_ERROR(fs::remove(File4.str()));
 
   // Clean up.
-  uint32_t RemovedCount;
-  ASSERT_NO_ERROR(fs::remove_all(TestDirectory.str(), RemovedCount));
+  ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
 }
 } // anonymous namespace