1 //===- unittest/Tooling/RewriterTest.cpp ----------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "RewriterTestContext.h" 11 #include "clang/Tooling/Core/Replacement.h" 12 #include "gtest/gtest.h" 13 14 namespace clang { 15 namespace tooling { 16 namespace { 17 18 TEST(Rewriter, OverwritesChangedFiles) { 19 RewriterTestContext Context; 20 FileID ID = Context.createOnDiskFile("t.cpp", "line1\nline2\nline3\nline4"); 21 Context.Rewrite.ReplaceText(Context.getLocation(ID, 2, 1), 5, "replaced"); 22 EXPECT_FALSE(Context.Rewrite.overwriteChangedFiles()); 23 EXPECT_EQ("line1\nreplaced\nline3\nline4", 24 Context.getFileContentFromDisk("t.cpp")); 25 } 26 27 TEST(Rewriter, ContinuesOverwritingFilesOnError) { 28 RewriterTestContext Context; 29 FileID FailingID = Context.createInMemoryFile("invalid/failing.cpp", "test"); 30 Context.Rewrite.ReplaceText(Context.getLocation(FailingID, 1, 2), 1, "other"); 31 FileID WorkingID = Context.createOnDiskFile( 32 "working.cpp", "line1\nline2\nline3\nline4"); 33 Context.Rewrite.ReplaceText(Context.getLocation(WorkingID, 2, 1), 5, 34 "replaced"); 35 EXPECT_TRUE(Context.Rewrite.overwriteChangedFiles()); 36 EXPECT_EQ("line1\nreplaced\nline3\nline4", 37 Context.getFileContentFromDisk("working.cpp")); 38 } 39 40 TEST(Rewriter, AdjacentInsertAndDelete) { 41 Replacements Replaces; 42 Replaces.insert(Replacement("<file>", 6, 6, "")); 43 Replaces.insert(Replacement("<file>", 6, 0, "replaced\n")); 44 EXPECT_EQ("line1\nreplaced\nline3\nline4", 45 applyAllReplacements("line1\nline2\nline3\nline4", Replaces)); 46 } 47 48 } // end namespace 49 } // end namespace tooling 50 } // end namespace clang 51
