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[tests] reads a test file via hardlink to update OS caches

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This commit is contained in:
Roman Shevchenko
2017-07-04 14:23:49 +02:00
parent 812184ceaf
commit 637c0f4110
1 changed files with 17 additions and 14 deletions
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platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/LocalFileSystemTest.java
+17 -14
View File
@@ -337,33 +337,36 @@ public class LocalFileSystemTest extends PlatformTestCase {
}
public void testHardLinks() throws Exception {
if (!SystemInfo.isWindows && !SystemInfo.isUnix) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
GeneralSettings settings = GeneralSettings.getInstance();
boolean safeWrite = settings.isUseSafeWrite();
SafeWriteRequestor requestor = new SafeWriteRequestor() { };
File dir = FileUtil.createTempDirectory("hardlinks.", ".dir", false);
byte[] testData = "hello".getBytes(CharsetToolkit.UTF8_CHARSET);
final boolean safeWrite = GeneralSettings.getInstance().isUseSafeWrite();
final File dir = FileUtil.createTempDirectory("hardlinks.", ".dir", false);
final SafeWriteRequestor requestor = new SafeWriteRequestor() { };
try {
GeneralSettings.getInstance().setUseSafeWrite(false);
settings.setUseSafeWrite(false);
final File targetFile = new File(dir, "targetFile");
File targetFile = new File(dir, "targetFile");
assertTrue(targetFile.createNewFile());
final File hardLinkFile = IoTestUtil.createHardLink(targetFile.getAbsolutePath(), "hardLinkFile");
File hardLinkFile = IoTestUtil.createHardLink(targetFile.getAbsolutePath(), "hardLinkFile");
final VirtualFile file = myFS.refreshAndFindFileByIoFile(targetFile);
VirtualFile file = myFS.refreshAndFindFileByIoFile(targetFile);
assertNotNull(file);
setBinaryContent(file,"hello".getBytes(CharsetToolkit.UTF8_CHARSET), 0, 0, requestor);
setBinaryContent(file, testData, 0, 0, requestor);
assertTrue(file.getLength() > 0);
final VirtualFile check = myFS.refreshAndFindFileByIoFile(hardLinkFile);
if (SystemInfo.isWindows) {
byte[] bytes = FileUtil.loadFileBytes(hardLinkFile);
assertEquals(testData.length, bytes.length);
}
VirtualFile check = myFS.refreshAndFindFileByIoFile(hardLinkFile);
assertNotNull(check);
assertEquals(file.getLength(), check.getLength());
assertEquals("hello", VfsUtilCore.loadText(check));
}
finally {
GeneralSettings.getInstance().setUseSafeWrite(safeWrite);
settings.setUseSafeWrite(safeWrite);
FileUtil.delete(dir);
}
}