================
@@ -0,0 +1,38 @@
+//===-- SwapBinaryOperandsTests.cpp -----------------------------*- C++
-*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "TweakTesting.h"
+#include "gmock/gmock-matchers.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace clang {
+namespace clangd {
+namespace {
+
+TWEAK_TEST(SwapBinaryOperands);
+
+TEST_F(SwapBinaryOperandsTest, Test) {
+ Context = Function;
+ EXPECT_EQ(apply("int *p = nullptr; bool c = ^p == nullptr;"),
+ "int *p = nullptr; bool c = nullptr == p;");
+ EXPECT_EQ(apply("int *p = nullptr; bool c = p ^== nullptr;"),
+ "int *p = nullptr; bool c = nullptr == p;");
+ EXPECT_EQ(apply("int x = 3; bool c = ^x >= 5;"),
+ "int x = 3; bool c = 5 <= x;");
+ EXPECT_EQ(apply("int x = 3; bool c = x >^= 5;"),
+ "int x = 3; bool c = 5 <= x;");
+ EXPECT_EQ(apply("int x = 3; bool c = x >=^ 5;"),
+ "int x = 3; bool c = 5 <= x;");
+ EXPECT_EQ(apply("int x = 3; bool c = x >=^ 5;"),
+ "int x = 3; bool c = 5 <= x;");
+}
----------------
5chmidti wrote:
Here are some additional test with macros and `<=>`:
```suggestion
EXPECT_EQ(apply("int f(); int x = 3; bool c = x >=^ f();"),
"int f(); int x = 3; bool c = f() <= x;");
EXPECT_EQ(apply(R"cpp(
int f();
#define F f
int x = 3; bool c = x >=^ F();
)cpp"),
R"cpp(
int f();
#define F f
int x = 3; bool c = F() <= x;
)cpp");
EXPECT_EQ(apply(R"cpp(
int f();
#define F f()
int x = 3; bool c = x >=^ F;
)cpp"),
R"cpp(
int f();
#define F f()
int x = 3; bool c = F <= x;
)cpp");
EXPECT_EQ(apply(R"cpp(
int f(bool);
#define F(v) f(v)
int x = 0;
bool c = F(x^ < 5);
)cpp"),
R"cpp(
int f(bool);
#define F(v) f(v)
int x = 0;
bool c = F(5 > x);
)cpp");
ExtraArgs = {"-std=c++20"};
Context = CodeContext::File;
EXPECT_UNAVAILABLE(R"cpp(
namespace std {
struct strong_ordering {
int val;
static const strong_ordering less;
static const strong_ordering equivalent;
static const strong_ordering equal;
static const strong_ordering greater;
};
inline constexpr strong_ordering strong_ordering::less {-1};
inline constexpr strong_ordering
strong_ordering::equivalent {0};
inline constexpr strong_ordering strong_ordering::equal {0};
inline constexpr strong_ordering strong_ordering::greater
{1};
};
#define F(v) v
int x = 0;
auto c = F(5^ <=> x);
)cpp");
}
```
https://github.com/llvm/llvm-project/pull/78999
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