77e944fd46
This is an implementation in the style of the rest: char == byte. We might want to come back and implement UTF-8, but this is enough for ltrace. Bug: 13747066 Change-Id: Ib2b63609c9014fdef9a8491e067467c4fc5ae3cc
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <limits.h>
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#include <wchar.h>
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TEST(wchar, sizeof_wchar_t) {
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EXPECT_EQ(4U, sizeof(wchar_t));
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EXPECT_EQ(4U, sizeof(wint_t));
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}
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TEST(wchar, mbrlen) {
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char bytes[] = { 'h', 'e', 'l', 'l', 'o', '\0' };
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EXPECT_EQ(0U, mbrlen(&bytes[0], 0, NULL));
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EXPECT_EQ(1U, mbrlen(&bytes[0], 1, NULL));
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EXPECT_EQ(1U, mbrlen(&bytes[4], 1, NULL));
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EXPECT_EQ(0U, mbrlen(&bytes[5], 1, NULL));
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}
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TEST(wchar, wctomb_wcrtomb) {
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// wctomb and wcrtomb behave differently when s == NULL.
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EXPECT_EQ(0, wctomb(NULL, L'h'));
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EXPECT_EQ(0, wctomb(NULL, L'\0'));
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EXPECT_EQ(1U, wcrtomb(NULL, L'\0', NULL));
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EXPECT_EQ(1U, wcrtomb(NULL, L'h', NULL));
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char bytes[MB_LEN_MAX];
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// wctomb and wcrtomb behave similarly for the null wide character.
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EXPECT_EQ(1, wctomb(bytes, L'\0'));
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EXPECT_EQ(1U, wcrtomb(bytes, L'\0', NULL));
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// ...and for regular characters.
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bytes[0] = 'x';
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EXPECT_EQ(1, wctomb(bytes, L'h'));
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EXPECT_EQ('h', bytes[0]);
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bytes[0] = 'x';
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EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL));
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EXPECT_EQ('h', bytes[0]);
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}
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