1 files changed, 45 insertions, 0 deletions
diff --git a/clang-tools-extra/test/clang-tidy/misc-misplaced-const.c b/clang-tools-extra/test/clang-tidy/misc-misplaced-const.c
new file mode 100644
index 00000000000..cccf3a4506f
--- /dev/null
+++ b/clang-tools-extra/test/clang-tidy/misc-misplaced-const.c
@@ -0,0 +1,45 @@
+// RUN: %check_clang_tidy %s misc-misplaced-const %t
+
+typedef int plain_i;
+typedef int *ip;
+typedef const int *cip;
+
+typedef void (*func_ptr)(void);
+
+void func(void) {
+  // ok
+  const int *i0 = 0;
+  const plain_i *i1 = 0;
+  const cip i2 = 0; // const applies to both pointer and pointee.
+
+  // Not ok
+  const ip i3 = 0;
+  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'i3' declared with a const-qualified typedef type; results in the type being 'int *const' instead of 'const int *'
+
+  ip const i4 = 0;
+  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'i4' declared with a const-qualified
+
+  const volatile ip i5 = 0;
+  // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: 'i5' declared with a const-qualified typedef type; results in the type being 'int *const volatile' instead of 'const int *volatile'
+}
+
+void func2(const plain_i *i1,
+           const cip i2,
+           const ip i3,
+           // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: 'i3' declared with a const-qualified
+           const int *i4) {
+}
+
+struct S {
+  const int *i0;
+  const plain_i *i1;
+  const cip i2;
+  const ip i3;
+  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'i3' declared with a const-qualified
+};
+
+// Function pointers should not be diagnosed because a function
+// pointer type can never be const.
+void func3(const func_ptr fp) {
+  const func_ptr fp2 = fp;
+}