diff options
Diffstat (limited to 'text_cmds/tests/sort_vers.c')
-rw-r--r-- | text_cmds/tests/sort_vers.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/text_cmds/tests/sort_vers.c b/text_cmds/tests/sort_vers.c new file mode 100644 index 0000000..8a3fce8 --- /dev/null +++ b/text_cmds/tests/sort_vers.c @@ -0,0 +1,23 @@ +#include <darwintest.h> +#include <stdlib.h> +#include <stdio.h> +#include <inttypes.h> +#include <limits.h> + +T_DECL(versionstring, "Apple specific version string") { + char version[128]; + FILE *sortfile = popen("/usr/bin/sort --version", "r"); + T_ASSERT_NOTNULL(sortfile, "Getting version string"); + T_ASSERT_NOTNULL(fgets(version, sizeof(version), sortfile), "Reading version string"); + pclose(sortfile); + T_ASSERT_NOTNULL(strstr(version, "-Apple"), "Apple in version string"); + + char *num = strstr(version, "("); + char *endnum = strstr(version, ")"); + T_ASSERT_NOTNULL(num, "Locating parens start"); + T_ASSERT_NOTNULL(endnum, "Locating parens end"); + T_ASSERT_GT(endnum, num, "end is after the start"); + long applevers = strtol(num+1, &endnum, 10); + T_ASSERT_GT(applevers, 0, "Version greater than zero"); + T_ASSERT_LT(applevers, LONG_MAX, "Version less than LONG_MAX"); +} |