54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
//===- unittest/Tooling/RewriterTest.cpp ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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auto Err = Replaces.add(Replacement("<file>", 6, 6, ""));
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EXPECT_TRUE(!Err);
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Replaces =
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Replaces.merge(Replacements(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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