void () { TestFileStructure fileTree = new TestFileStructure(getModule(), myWorkingDirectory); PsiFile java1 = fileTree.addTestFile("Test.java", "empty content"); PsiFile java2 = fileTree.addTestFile("Pair.java", "empty content"); PsiFile java3 = fileTree.addTestFile("Pair2.java", "empty content"); PsiFile php = fileTree.addTestFile("Test.phpMask", "empty content"); PsiFile js = fileTree.addTestFile("Test.jsMask", "empty content"); reformatDirectoryWithFileMask(myWorkingDirectory, null); assertWasFormatted(java1, java2, java3, php, js); }