| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include <limits.h> |
| #include <wchar.h> |
| |
| TEST(wchar, sizeof_wchar_t) { |
| EXPECT_EQ(4U, sizeof(wchar_t)); |
| EXPECT_EQ(4U, sizeof(wint_t)); |
| } |
| |
| TEST(wchar, mbrlen) { |
| char bytes[] = { 'h', 'e', 'l', 'l', 'o', '\0' }; |
| EXPECT_EQ(0U, mbrlen(&bytes[0], 0, NULL)); |
| EXPECT_EQ(1U, mbrlen(&bytes[0], 1, NULL)); |
| |
| EXPECT_EQ(1U, mbrlen(&bytes[4], 1, NULL)); |
| EXPECT_EQ(0U, mbrlen(&bytes[5], 1, NULL)); |
| } |
| |
| TEST(wchar, wctomb_wcrtomb) { |
| // wctomb and wcrtomb behave differently when s == NULL. |
| EXPECT_EQ(0, wctomb(NULL, L'h')); |
| EXPECT_EQ(0, wctomb(NULL, L'\0')); |
| EXPECT_EQ(1U, wcrtomb(NULL, L'\0', NULL)); |
| EXPECT_EQ(1U, wcrtomb(NULL, L'h', NULL)); |
| |
| char bytes[MB_LEN_MAX]; |
| |
| // wctomb and wcrtomb behave similarly for the null wide character. |
| EXPECT_EQ(1, wctomb(bytes, L'\0')); |
| EXPECT_EQ(1U, wcrtomb(bytes, L'\0', NULL)); |
| |
| // ...and for regular characters. |
| bytes[0] = 'x'; |
| EXPECT_EQ(1, wctomb(bytes, L'h')); |
| EXPECT_EQ('h', bytes[0]); |
| |
| bytes[0] = 'x'; |
| EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL)); |
| EXPECT_EQ('h', bytes[0]); |
| } |