libc/test/src/string/strcoll_test.cpp

   1 //===-- Unittests for strcoll ---------------------------------------------===//
   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 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "src/string/strcoll.h"
  10 #include "test/UnitTest/Test.h"
  11
  12 // TODO: Add more comprehensive tests once locale support is added.
  13
  14 TEST(LlvmLibcStrcollTest, SimpleTest) {
  15   const char *s1 = "abc";
  16   const char *s2 = "abc";
  17   const char *s3 = "def";
  18   int result = LIBC_NAMESPACE::strcoll(s1, s2);
  19   ASSERT_EQ(result, 0);
  20
  21   // Verify operands reversed.
  22   result = LIBC_NAMESPACE::strcoll(s2, s1);
  23   ASSERT_EQ(result, 0);
  24
  25   result = LIBC_NAMESPACE::strcoll(s1, s3);
  26   ASSERT_LT(result, 0);
  27
  28   result = LIBC_NAMESPACE::strcoll(s3, s1);
  29   ASSERT_GT(result, 0);
  30 }