21 changes: 21 additions & 0 deletions libc/test/src/ctype/isblank_test.cpp
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
//===-- Unittests for isblank----------------------------------------------===//
//
// 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/ctype/isblank.h"
#include "utils/UnitTest/Test.h"

TEST(IsBlank, DefaultLocale) {
// Loops through all characters, verifying that space and horizontal tab
// return a non-zero integer and everything else returns zero.
for (int ch = 0; ch < 255; ++ch) {
if (ch == ' ' || ch == '\t')
EXPECT_NE(__llvm_libc::isblank(ch), 0);
else
EXPECT_EQ(__llvm_libc::isblank(ch), 0);
}
}
21 changes: 21 additions & 0 deletions libc/test/src/ctype/iscntrl_test.cpp
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
//===-- Unittests for iscntrl----------------------------------------------===//
//
// 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/ctype/iscntrl.h"
#include "utils/UnitTest/Test.h"

TEST(IsCntrl, DefaultLocale) {
// Loops through all characters, verifying that control characters
// return a non-zero integer, all others return zero.
for (int ch = 0; ch < 255; ++ch) {
if ((0 <= ch && ch <= 0x1f /*US*/) || ch == 0x7f /*DEL*/)
EXPECT_NE(__llvm_libc::iscntrl(ch), 0);
else
EXPECT_EQ(__llvm_libc::iscntrl(ch), 0);
}
}
21 changes: 21 additions & 0 deletions libc/test/src/ctype/isgraph_test.cpp
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
//===-- Unittests for isgraph----------------------------------------------===//
//
// 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/ctype/isgraph.h"
#include "utils/UnitTest/Test.h"

TEST(IsGraph, DefaultLocale) {
// Loops through all characters, verifying that graphical characters
// return a non-zero integer, everything else returns zero.
for (int ch = 0; ch < 255; ++ch) {
if ('!' <= ch && ch <= '~') // A-Z, a-z, 0-9, punctuation.
EXPECT_NE(__llvm_libc::isgraph(ch), 0);
else
EXPECT_EQ(__llvm_libc::isgraph(ch), 0);
}
}
34 changes: 34 additions & 0 deletions libc/test/src/ctype/ispunct_test.cpp
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
//===-- Unittests for ispunct----------------------------------------------===//
//
// 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/ctype/ispunct.h"
#include "utils/UnitTest/Test.h"

// Helper function to mark the sections of the ASCII table that are
// punctuation characters. These are listed below:
// Decimal | Symbol
// -----------------------------------------
// 33 - 47 | ! " $ % & ' ( ) * + , - . /
// 58 - 64 | : ; < = > ? @
// 91 - 96 | [ \ ] ^ _ `
// 123 - 126 | { | } ~
static inline int is_punctuation_character(int c) {
return ('!' <= c && c <= '/') || (':' <= c && c <= '@') ||
('[' <= c && c <= '`') || ('{' <= c && c <= '~');
}

TEST(IsPunct, DefaultLocale) {
// Loops through all characters, verifying that punctuation characters
// return a non-zero integer, and everything else returns zero.
for (int ch = 0; ch < 255; ++ch) {
if (is_punctuation_character(ch))
EXPECT_NE(__llvm_libc::ispunct(ch), 0);
else
EXPECT_EQ(__llvm_libc::ispunct(ch), 0);
}
}