Exercise string parsing in the test framework

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2022-12-03 23:50:05 +01:00
parent 1a24895bfd
commit a9946952b4
2 changed files with 67 additions and 1 deletions

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@ -1,6 +1,6 @@
# The test cases for printf and integers have two purposes: they exercise
# the printf function family, and they exercise the passing of integers
# through the test framework.
# and strings through the test framework.
printf "%d", 0
printf_int:"%d":0:"0"
@ -55,3 +55,44 @@ printf_int:"%d":-2147483648:"-2147483648"
printf "%d", -0x80000000
printf_int:"%d":-0x80000000:"-2147483648"
# The next few test cases exercise how the test framework handles special
# characters in strings.
printf "%c", SPACE, SPACE
printf_char2:"%c%c":SPACE_CHAR:SPACE_CHAR:" "
printf "%c", NEWLINE, SPACE
printf_char2:"%c%c":NEWLINE_CHAR:SPACE_CHAR:"\n "
printf "%c", DOUBLE QUOTE, SPACE
printf_char2:"%c%c":DOUBLE_QUOTE_CHAR:SPACE_CHAR:"\" "
printf "%c", COLON, SPACE
printf_char2:"%c%c":COLON_CHAR:SPACE_CHAR:"\: "
printf "%c", BACKSLASH, SPACE
printf_char2:"%c%c":BACKSLASH_CHAR:SPACE_CHAR:"\\ "
printf "%c", SPACE, BACKSLASH
printf_char2:"%c%c":SPACE_CHAR:BACKSLASH_CHAR:" \\"
printf "%c%c", COLON, COLON
printf_char2:"%c%c":COLON_CHAR:COLON_CHAR:"\:\:"
printf "%c%c", COLON, NEWLINE
printf_char2:"%c%c":COLON_CHAR:NEWLINE_CHAR:"\:\n"
printf "%c%c", BACKSLASH, NEWLINE
printf_char2:"%c%c":BACKSLASH_CHAR:NEWLINE_CHAR:"\\\n"
printf "%c%c", BACKSLASH, DOUBLE QUOTE
printf_char2:"%c%c":BACKSLASH_CHAR:DOUBLE_QUOTE_CHAR:"\\\""
printf "%c%c", BACKSLASH, COLON
printf_char2:"%c%c":BACKSLASH_CHAR:COLON_CHAR:"\\\:"
printf "%c%c", BACKSLASH, BACKSLASH
printf_char2:"%c%c":BACKSLASH_CHAR:BACKSLASH_CHAR:"\\\\"
printf "%c%c", BACKSLASH, n
printf_char2:"%c%c":BACKSLASH_CHAR:LOWERCASE_N_CHAR:"\\n"

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@ -4,6 +4,13 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define NEWLINE_CHAR '\n'
#define SPACE_CHAR ' '
#define DOUBLE_QUOTE_CHAR '"'
#define COLON_CHAR ':'
#define BACKSLASH_CHAR '\\'
#define LOWERCASE_N_CHAR 'n'
/* END_HEADER */
/* BEGIN_CASE */
@ -23,3 +30,21 @@ exit:
mbedtls_free(output);
}
/* END_CASE */
/* BEGIN_CASE */
void printf_char2(char *format, int arg1, int arg2, char *result)
{
char *output = NULL;
const size_t n = strlen(result);
/* Nominal case: buffer just large enough */
ASSERT_ALLOC(output, n + 1);
TEST_EQUAL(n, mbedtls_snprintf(output, n + 1, format, arg1, arg2));
ASSERT_COMPARE(result, n + 1, output, n + 1);
mbedtls_free(output);
output = NULL;
exit:
mbedtls_free(output);
}
/* END_CASE */