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
|
//===-- Unittests for isalnum----------------------------------------------===//
//
// 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 "src/__support/CPP/span.h"
#include "src/ctype/isalnum.h"
#include "test/UnitTest/Test.h"
namespace {
// TODO: Merge the ctype tests using this framework.
constexpr char ALNUM_ARRAY[] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
};
bool in_span(int ch, LIBC_NAMESPACE::cpp::span<const char> arr) {
for (size_t i = 0; i < arr.size(); ++i)
if (static_cast<int>(arr[i]) == ch)
return true;
return false;
}
} // namespace
TEST(LlvmLibcIsAlNum, SimpleTest) {
EXPECT_NE(LIBC_NAMESPACE::isalnum('a'), 0);
EXPECT_NE(LIBC_NAMESPACE::isalnum('B'), 0);
EXPECT_NE(LIBC_NAMESPACE::isalnum('3'), 0);
EXPECT_EQ(LIBC_NAMESPACE::isalnum(' '), 0);
EXPECT_EQ(LIBC_NAMESPACE::isalnum('?'), 0);
EXPECT_EQ(LIBC_NAMESPACE::isalnum('\0'), 0);
EXPECT_EQ(LIBC_NAMESPACE::isalnum(-1), 0);
}
TEST(LlvmLibcIsAlNum, DefaultLocale) {
// Loops through all characters, verifying that numbers and letters
// return non-zero integer and everything else returns a zero.
for (int ch = -255; ch < 255; ++ch) {
if (in_span(ch, ALNUM_ARRAY))
EXPECT_NE(LIBC_NAMESPACE::isalnum(ch), 0);
else
EXPECT_EQ(LIBC_NAMESPACE::isalnum(ch), 0);
}
}
|
