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4f8d99433d
Summary: return llvm::Expected<> to carry error status and error information. This is the first step towards introducing "Error" into tooling::Replacements. Reviewers: djasper, klimek Subscribers: ioeric, klimek, cfe-commits Differential Revision: http://reviews.llvm.org/D21601 llvm-svn: 275062
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
//===- unittest/Tooling/RewriterTest.cpp ----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "RewriterTestContext.h"
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#include "clang/Tooling/Core/Replacement.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace tooling {
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namespace {
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TEST(Rewriter, OverwritesChangedFiles) {
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RewriterTestContext Context;
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FileID ID = Context.createOnDiskFile("t.cpp", "line1\nline2\nline3\nline4");
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Context.Rewrite.ReplaceText(Context.getLocation(ID, 2, 1), 5, "replaced");
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EXPECT_FALSE(Context.Rewrite.overwriteChangedFiles());
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EXPECT_EQ("line1\nreplaced\nline3\nline4",
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Context.getFileContentFromDisk("t.cpp"));
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}
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TEST(Rewriter, ContinuesOverwritingFilesOnError) {
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RewriterTestContext Context;
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FileID FailingID = Context.createInMemoryFile("invalid/failing.cpp", "test");
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Context.Rewrite.ReplaceText(Context.getLocation(FailingID, 1, 2), 1, "other");
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FileID WorkingID = Context.createOnDiskFile(
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"working.cpp", "line1\nline2\nline3\nline4");
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Context.Rewrite.ReplaceText(Context.getLocation(WorkingID, 2, 1), 5,
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"replaced");
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EXPECT_TRUE(Context.Rewrite.overwriteChangedFiles());
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EXPECT_EQ("line1\nreplaced\nline3\nline4",
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Context.getFileContentFromDisk("working.cpp"));
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}
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TEST(Rewriter, AdjacentInsertAndDelete) {
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Replacements Replaces;
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Replaces.insert(Replacement("<file>", 6, 6, ""));
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Replaces.insert(Replacement("<file>", 6, 0, "replaced\n"));
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auto Rewritten = applyAllReplacements("line1\nline2\nline3\nline4", Replaces);
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EXPECT_TRUE(static_cast<bool>(Rewritten));
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EXPECT_EQ("line1\nreplaced\nline3\nline4", *Rewritten);
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}
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} // end namespace
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} // end namespace tooling
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} // end namespace clang
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