libc/test/include/stdckdint_test.cpp

   1 //===-- Unittests for stdckdint -------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDSList-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "test/UnitTest/Test.h"
  10
  11 #include "include/llvm-libc-macros/stdckdint-macros.h"
  12
  13 TEST(LlvmLibcStdCkdIntTest, Add) {
  14   int result;
  15   ASSERT_FALSE(ckd_add(&result, 1, 2));
  16   ASSERT_EQ(result, 3);
  17   ASSERT_TRUE(ckd_add(&result, INT_MAX, 1));
  18 }
  19
  20 TEST(LlvmLibcStdCkdIntTest, Sub) {
  21   int result;
  22   ASSERT_FALSE(ckd_sub(&result, 3, 2));
  23   ASSERT_EQ(result, 1);
  24   ASSERT_TRUE(ckd_sub(&result, INT_MIN, 1));
  25 }
  26
  27 TEST(LlvmLibcStdCkdIntTest, Mul) {
  28   int result;
  29   ASSERT_FALSE(ckd_mul(&result, 2, 3));
  30   ASSERT_EQ(result, 6);
  31   ASSERT_TRUE(ckd_mul(&result, INT_MAX, 2));
  32 }