xref: /llvm-project/libc/test/src/wchar/btowc_test.cpp (revision 95d4c97a20bb46cd7ca9c5389f9ba33f1bf8f7a0)
146b50872SMichael Jones //===-- Unittests for btowc ---------------------------------------------===//
246b50872SMichael Jones //
346b50872SMichael Jones // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
446b50872SMichael Jones // See https://llvm.org/LICENSE.txt for license information.
546b50872SMichael Jones // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
646b50872SMichael Jones //
746b50872SMichael Jones //===----------------------------------------------------------------------===//
846b50872SMichael Jones 
9*95d4c97aSlntue #include "hdr/wchar_macros.h" // for WEOF
1046b50872SMichael Jones #include "src/wchar/btowc.h"
1146b50872SMichael Jones #include "test/UnitTest/Test.h"
1246b50872SMichael Jones 
1346b50872SMichael Jones TEST(LlvmLibcBtowc, DefaultLocale) {
1446b50872SMichael Jones   // Loops through all characters, verifying that ascii returns itself and
1546b50872SMichael Jones   // everything else returns WEOF.
1646b50872SMichael Jones   for (int c = 0; c < 255; ++c) {
1746b50872SMichael Jones     if (c < 128)
18b6bc9d72SGuillaume Chatelet       EXPECT_EQ(LIBC_NAMESPACE::btowc(c), static_cast<wint_t>(c));
1946b50872SMichael Jones     else
20b6bc9d72SGuillaume Chatelet       EXPECT_EQ(LIBC_NAMESPACE::btowc(c), WEOF);
2146b50872SMichael Jones   }
2246b50872SMichael Jones }
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