1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
//===-- Unittests for wcscspn ---------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "hdr/types/size_t.h"
#include "hdr/types/wchar_t.h"
#include "src/wchar/wcscspn.h"
#include "test/UnitTest/Test.h"
TEST(LlvmLibcWCSCSpnTest, EmptyStringShouldReturnZeroLengthSpan) {
// The search should not include the null terminator.
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"", L""), size_t(0));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"_", L""), size_t(1));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"", L"_"), size_t(0));
}
TEST(LlvmLibcWCSCSpnTest, ShouldNotSpanAnythingAfterNullTerminator) {
const wchar_t src[4] = {L'a', L'b', L'\0', L'c'};
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"de"), size_t(2));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"c"), size_t(2));
// Same goes for the segment to be searched for.
const wchar_t segment[4] = {L'1', L'2', L'\0', L'3'};
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"3", segment), size_t(1));
}
TEST(LlvmLibcWCSCSpnTest, SpanEachIndividualCharacter) {
const wchar_t *src = L"12345";
// These are all in the segment.
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"1"), size_t(0));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"2"), size_t(1));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"3"), size_t(2));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"4"), size_t(3));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"5"), size_t(4));
}
TEST(LlvmLibcWCSCSpnTest, UnmatchedCharacterShouldReturnLength) {
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"a", L"b"), size_t(1));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"abcdef", L"1"), size_t(6));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"123", L"4"), size_t(3));
}
TEST(LlvmLibcWCSCSpnTest, NonSequentialCharactersShouldNotSpan) {
const wchar_t *src = L"abc456789";
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"_1_abc_2_def_3_"), size_t(0));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(src, L"67__34xyz12"), size_t(3));
}
TEST(LlvmLibcWCSCSpnTest, ReverseCharacters) {
// These are all in the string.
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"12345", L"54321"), size_t(0));
// 1 is not in the span.
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"12345", L"432"), size_t(1));
// 1 is in the span.
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"12345", L"51"), size_t(0));
}
TEST(LlvmLibcWCSCSpnTest, DuplicatedCharactersToBeSearchedForShouldStillMatch) {
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"a", L"aa"), size_t(0));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"aa", L"aa"), size_t(0));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"aaa", L"bb"), size_t(3));
EXPECT_EQ(LIBC_NAMESPACE::wcscspn(L"aaaa", L"bb"), size_t(4));
}
|
