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ctype.c
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@elliotchance
elliotchance committed May 30, 2017
1 parent 1d385d4 commit 0b33c5e
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4 changes: 3 additions & 1 deletion darwin/ctype.go
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,9 @@ func IsType(_c Darwin_ct_rune_t, _f uint32) uint32 {
return 1
}

if _f&CTYPE_G != 0 && unicode.IsGraphic(rune(_c)) {
// The IsSpace check is required becuase Go treats spaces as graphic
// characters, which C does not.
if _f&CTYPE_G != 0 && unicode.IsGraphic(rune(_c)) && !unicode.IsSpace(rune(_c)) {
return 1
}

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260 changes: 64 additions & 196 deletions tests/ctype.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2,204 +2,72 @@

#include <stdio.h>
#include <ctype.h>

char* strnul = "this string has a \0 NUL";
#include "tests.h"

#define T is_true
#define F is_false

#define CTYPE(functionName, A, B, C, D, E, F, G, H) \
diag(#functionName); \
A(functionName('a')); \
B(functionName('B')); \
C(functionName('0')); \
D(functionName('*')); \
E(functionName('\0')); \
F(functionName(' ')); \
G(functionName('\n')); \
H(functionName('z'));

// This is just helpful for alignment.
#define _CTYPE CTYPE

char *strnul = "this string has a \0 NUL";
char arrnul[] = "this string has a \0 NUL";

void test_isalnum()
{
int i;
char str[] = "c3po...";
i = 0;
while (isalnum(str[i]))
{
i++;
}
printf("The first %d characters are alphanumeric.\n", i);
}

void test_isalpha()
{
int i = 0;
char str[] = "C++";
while (str[i])
{
if (isalpha(str[i]))
printf("character %c is alphabetic\n", str[i]);
else
printf("character %c is not alphabetic\n", str[i]);
i++;
}
}

void test_iscntrl()
{
int i = 0;
char str[] = "first line \n second line \n";
while (!iscntrl(str[i]))
{
putchar(str[i]);
i++;
}
}

void test_isdigit()
{
char str[] = "1776ad";
int year;
if (isdigit(str[0]))
{
year = atoi(str);
printf("The year that followed %d was %d.\n", year, year + 1);
}
}

void test_isgraph()
{
int var1 = '3';
int var2 = 'm';

if (isgraph(var1))
{
printf("var1 = |%c| can be printed\n", var1);
}
else
{
printf("var1 = |%c| can't be printed\n", var1);
}

if (isgraph(var2))
{
printf("var2 = |%c| can be printed\n", var2);
}
else
{
printf("var2 = |%c| can't be printed\n", var2);
}
}

void test_islower()
{
int i = 0;
char str[] = "Test String.\n";
char c;
while (str[i])
{
c = str[i];
if (islower(c))
c = toupper(c);
putchar(c);
i++;
}
}

void test_isprint()
{
int i = 0;
char str[] = "first line \n second line \n";
while (isprint(str[i]))
{
putchar(str[i]);
i++;
}
}

void test_ispunct()
{
int i = 0;
int cx = 0;
char str[] = "Hello, welcome!";
while (str[i])
{
if (ispunct(str[i]))
cx++;
i++;
}
printf("Sentence contains %d punctuation characters.\n", cx);
}

void test_isspace()
{
char c;
int i = 0;
char str[] = "Example sentence to test isspace\n";
while (str[i])
{
c = str[i];
if (isspace(c))
c = '\n';
putchar(c);
i++;
}
}

void test_isupper()
{
int i = 0;
char str[] = "Test String.\n";
char c;
while (str[i])
{
c = str[i];
if (isupper(c))
c = tolower(c);
putchar(c);
i++;
}
}

void test_isxdigit()
{
char str[] = "ffff";
long int number;
if (isxdigit(str[0]))
{
number = strtol(str, NULL, 16);
printf("The hexadecimal number %d is %d.\n", number, number);
}
}

void test_tolower()
{
int i = 0;
char str[] = "Test String.\n";
char c;
while (str[i])
{
c = str[i];
putchar(tolower(c));
i++;
}
}

void test_toupper()
{
int i = 0;
char str[] = "Test String.\n";
char c;
while (str[i])
{
c = str[i];
putchar(toupper(c));
i++;
}
}

int main()
{
test_isalnum();
test_isalpha();
test_iscntrl();
test_isdigit();
test_isgraph();
test_islower();
test_isprint();
test_ispunct();
test_isspace();
test_isupper();
test_isxdigit();
test_tolower();
test_toupper();

return 0;
plan(104);

// . Lower alpha (a)
// | . Upper alpha (B)
// | | . Digit (0)
// | | | . Punctuation (*)
// | | | | . NULL
// | | | | | . Space
// | | | | | | . New line
// | | | | | | | . Non-hex digit (z)
// v v v v v v v v
_CTYPE(isalnum, T, T, T, F, F, F, F, T);
_CTYPE(isalpha, T, T, F, F, F, F, F, T);
_CTYPE(iscntrl, F, F, F, F, T, F, T, F);
_CTYPE(isdigit, F, F, T, F, F, F, F, F);
_CTYPE(isgraph, T, T, T, T, F, F, F, T);
_CTYPE(islower, T, F, F, F, F, F, F, T);
_CTYPE(isprint, T, T, T, T, F, T, F, T);
_CTYPE(ispunct, F, F, F, T, F, F, F, F);
_CTYPE(isspace, F, F, F, F, F, T, T, F);
_CTYPE(isupper, F, T, F, F, F, F, F, F);
CTYPE(isxdigit, T, T, T, F, F, F, F, F);

diag("tolower");
is_eq(tolower('a'), 'a');
is_eq(tolower('B'), 'b');
is_eq(tolower('0'), '0');
is_eq(tolower('*'), '*');
is_eq(tolower('\0'), '\0');
is_eq(tolower(' '), ' ');
is_eq(tolower('\n'), '\n');
is_eq(tolower('z'), 'z');

diag("toupper");
is_eq(toupper('a'), 'A');
is_eq(toupper('B'), 'B');
is_eq(toupper('0'), '0');
is_eq(toupper('*'), '*');
is_eq(toupper('\0'), '\0');
is_eq(toupper(' '), ' ');
is_eq(toupper('\n'), '\n');
is_eq(toupper('z'), 'Z');

done_testing();
}
21 changes: 17 additions & 4 deletions tests/tests.h
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,18 @@ static int total_failures = 0;
fail("%s", #actual) \
}

// Check if the input is false. This works in the exact opposite way as
// is_true(). Be careful with floating-point values.
#define is_false(actual) \
if (actual == 0) \
{ \
pass("%s", #actual) \
} \
else \
{ \
fail("%s", #actual) \
}

// Immediately pass a check. This is useful if you are testing code flow, such
// as reaching a particular if/else branch.
//
Expand Down Expand Up @@ -192,16 +204,17 @@ static int total_failures = 0;
// To signal that testing is now complete and to return the appropriate status
// code. This should be the last line in the main() function.
#define done_testing() \
int exit_status = 0; \
if (total_failures > 0) \
{ \
diag("There was %d failed tests.", total_failures); \
return 101; \
exit_status = 101; \
} \
if (current_test != total_tests) \
else if (current_test != total_tests) \
{ \
diag("Expected %d tests, but ran %d.", total_tests, current_test); \
return 102; \
exit_status = 102; \
} \
return 0;
return exit_status;

// Do not place code beyond this. See the TAP comment above.

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