1 files changed, 32 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestNoArithmeticExprInArgument.cpp b/build/clang-plugin/tests/TestNoArithmeticExprInArgument.cpp
new file mode 100644
index 0000000000..d147b17012
--- /dev/null
+++ b/build/clang-plugin/tests/TestNoArithmeticExprInArgument.cpp
@@ -0,0 +1,32 @@
+#define MOZ_NO_ARITHMETIC_EXPR_IN_ARGUMENT __attribute__((annotate("moz_no_arith_expr_in_arg")))
+
+struct X {
+  explicit X(int) MOZ_NO_ARITHMETIC_EXPR_IN_ARGUMENT;
+  void baz(int) MOZ_NO_ARITHMETIC_EXPR_IN_ARGUMENT;
+};
+
+int operator+(int, X);
+int operator+(X, int);
+int operator++(X);
+
+void badArithmeticsInArgs() {
+  int a = 1;
+  typedef int myint;
+  myint b = 2;
+  X goodObj1(a);
+  goodObj1.baz(b);
+  X badObj1(a + b); // expected-error{{cannot pass an arithmetic expression of built-in types to 'X'}}
+  X badObj2 = X(a ? 0 : ++a); // expected-error{{cannot pass an arithmetic expression of built-in types to 'X'}}
+  X badObj3(~a); // expected-error{{cannot pass an arithmetic expression of built-in types to 'X'}}
+  badObj1.baz(a - 1 - b); // expected-error{{cannot pass an arithmetic expression of built-in types to 'baz'}}
+  badObj1.baz(++a); // expected-error{{cannot pass an arithmetic expression of built-in types to 'baz'}}
+  badObj1.baz(a++); // expected-error{{cannot pass an arithmetic expression of built-in types to 'baz'}}
+  badObj1.baz(a || b);
+  badObj1.baz(a + goodObj1);
+  badObj1.baz(goodObj1 + a);
+  badObj1.baz(++goodObj1);
+  badObj1.baz(-1);
+  badObj1.baz(-1.0);
+  badObj1.baz(1 + 2);
+  badObj1.baz(1 << (sizeof(int)/2));
+}