derek.holloway
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61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
#include "gtest/gtest.h"
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#include "clang/Basic/SourceLocation.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Analysis/Analyses/UnsafeBufferUsage.h"
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using namespace clang;
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namespace {
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// The test fixture.
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class UnsafeBufferUsageTest : public ::testing::Test {
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protected:
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UnsafeBufferUsageTest()
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: FileMgr(FileMgrOpts),
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Diags(DiagnosticIDs::create(), DiagOpts, new IgnoringDiagConsumer()),
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SourceMgr(Diags, FileMgr) {}
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FileSystemOptions FileMgrOpts;
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FileManager FileMgr;
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DiagnosticOptions DiagOpts;
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DiagnosticsEngine Diags;
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SourceManager SourceMgr;
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};
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} // namespace
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TEST_F(UnsafeBufferUsageTest, FixItHintsConflict) {
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FileEntryRef DummyFile = FileMgr.getVirtualFileRef("<virtual>", 100, 0);
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FileID DummyFileID = SourceMgr.getOrCreateFileID(DummyFile, SrcMgr::C_User);
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SourceLocation StartLoc = SourceMgr.getLocForStartOfFile(DummyFileID);
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#define MkDummyHint(Begin, End) \
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FixItHint::CreateReplacement(SourceRange(StartLoc.getLocWithOffset((Begin)), \
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StartLoc.getLocWithOffset((End))), \
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"dummy")
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FixItHint H1 = MkDummyHint(0, 5);
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FixItHint H2 = MkDummyHint(6, 10);
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FixItHint H3 = MkDummyHint(20, 25);
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llvm::SmallVector<FixItHint> Fixes;
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// Test non-overlapping fix-its:
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Fixes = {H1, H2, H3};
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EXPECT_FALSE(internal::anyConflict(Fixes, SourceMgr));
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Fixes = {H3, H2, H1}; // re-order
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EXPECT_FALSE(internal::anyConflict(Fixes, SourceMgr));
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// Test overlapping fix-its:
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Fixes = {H1, H2, H3, MkDummyHint(0, 4) /* included in H1 */};
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EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
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Fixes = {H1, H2, H3, MkDummyHint(10, 15) /* overlaps H2 */};
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EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
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Fixes = {H1, H2, H3, MkDummyHint(7, 23) /* overlaps H2, H3 */};
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EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
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Fixes = {H1, H2, H3, MkDummyHint(2, 23) /* overlaps H1, H2, and H3 */};
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EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
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}
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