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Unified Diff: tools/clang/plugins/tests/virtual_specifiers.cpp

Issue 1385193002: Bisect clang Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: 246985 Created 5 years, 2 months ago
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Index: tools/clang/plugins/tests/virtual_specifiers.cpp
diff --git a/tools/clang/plugins/tests/virtual_specifiers.cpp b/tools/clang/plugins/tests/virtual_specifiers.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f566ac4f2a6cd205c493f8446803f7f397d29ab2
--- /dev/null
+++ b/tools/clang/plugins/tests/virtual_specifiers.cpp
@@ -0,0 +1,132 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Tests for chromium style checks for virtual/override/final specifiers on
+// virtual methods.
+
+// Note: This is not actual windows.h but the stub file in system/windows.h
+#include <windows.h>
+
+// Purposely use macros to test that the FixIt hints don't try to remove the
+// macro body.
+#define OVERRIDE override
+#define FINAL final
+
+// Base class can only use virtual.
+class Base {
+ public:
+ virtual ~Base() {}
+ virtual void F() = 0;
+};
+
+// Derived classes correctly use only override or final specifier.
+class CorrectOverride : public Base {
+ public:
+ ~CorrectOverride() OVERRIDE {}
+ void F() OVERRIDE {}
+};
+
+class CorrectFinal : public CorrectOverride {
+ public:
+ ~CorrectFinal() FINAL {}
+ void F() FINAL {}
+};
+
+// No override on an overridden method should trigger a diagnostic.
+class MissingOverride : public Base {
+ public:
+ ~MissingOverride() {}
+ void F() {}
+};
+
+// Redundant specifiers should trigger a diagnostic.
+class VirtualAndOverride : public Base {
+ public:
+ virtual ~VirtualAndOverride() OVERRIDE {}
+ virtual void F() OVERRIDE {}
+};
+
+class VirtualAndFinal : public Base {
+ public:
+ virtual ~VirtualAndFinal() FINAL {}
+ virtual void F() FINAL {}
+};
+
+class VirtualAndOverrideFinal : public Base {
+ public:
+ virtual ~VirtualAndOverrideFinal() OVERRIDE FINAL {}
+ virtual void F() OVERRIDE FINAL {}
+};
+
+class OverrideAndFinal : public Base {
+ public:
+ ~OverrideAndFinal() OVERRIDE FINAL {}
+ void F() OVERRIDE FINAL {}
+};
+
+// Also warn on pure functions.
+class CorrectPureVirtual : public Base {
+ virtual void F() = 0;
+};
+
+class Pure : public Base {
+ void F() = 0;
+};
+
+class PureOverride : public Base {
+ void F() override = 0;
+};
+
+class PureVirtualOverride : public Base {
+ virtual void F() override = 0;
+};
+
+// Test that the redundant virtual warning is suppressed when the virtual
+// keyword comes from a macro in a system header.
+class COMIsAwesome : public Base {
+ STDMETHOD(F)() override = 0;
+};
+
+// Some tests that overrides in the testing namespace
+// don't trigger warnings, except for testing::Test.
+namespace testing {
+
+class Test {
+ public:
+ virtual ~Test();
+ virtual void SetUp();
+};
+
+class NotTest {
+ public:
+ virtual ~NotTest();
+ virtual void SetUp();
+};
+
+} // namespace
+
+class MyTest : public testing::Test {
+ public:
+ virtual ~MyTest();
+ virtual void SetUp() override;
+};
+
+class MyNotTest : public testing::NotTest {
+ public:
+ virtual ~MyNotTest();
+ virtual void SetUp() override;
+};
+
+class MacroBase {
+ public:
+ virtual void AddRef() = 0;
+ virtual void Virtual() {}
+};
+
+class Sub : public MacroBase {
+ // Shouldn't warn.
+ END_COM_MAP()
+ SYSTEM_REDUNDANT1;
+ SYSTEM_REDUNDANT2;
+};
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