6fece2968a
And increase test coverage slightly. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
#include <array_length.h>
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#include <stdio.h>
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#include <support/check.h>
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#include <sys/types.h>
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#include <wchar.h>
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static wchar_t buf[100];
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static const struct
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{
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size_t n;
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const char *str;
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ssize_t exp;
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} tests[] =
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{
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{ array_length (buf), "hello world", 11 },
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{ 0, "hello world", -1 },
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{ 1, "hello world", -1 },
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{ 2, "hello world", -1 },
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{ 11, "hello world", -1 },
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{ 12, "hello world", 11 },
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{ 0, "", -1 },
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{ array_length (buf), "", 0 }
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};
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static int
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do_test (void)
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{
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size_t n;
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TEST_COMPARE (swprintf (buf, array_length (buf), L"Hello %s", "world"), 11);
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TEST_COMPARE_STRING_WIDE (buf, L"Hello world");
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TEST_COMPARE (swprintf (buf, array_length (buf), L"Is this >%g< 3.1?", 3.1),
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18);
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TEST_COMPARE_STRING_WIDE (buf, L"Is this >3.1< 3.1?");
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for (n = 0; n < array_length (tests); ++n)
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{
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ssize_t res = swprintf (buf, tests[n].n, L"%s", tests[n].str);
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if (tests[n].exp < 0 && res >= 0)
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{
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support_record_failure ();
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printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to fail\n",
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tests[n].n, tests[n].str);
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}
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else if (tests[n].exp >= 0 && tests[n].exp != res)
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{
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support_record_failure ();
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printf ("\
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swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to return %Zd, but got %Zd\n",
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tests[n].n, tests[n].str, tests[n].exp, res);
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}
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else
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printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") OK\n",
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tests[n].n, tests[n].str);
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}
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TEST_COMPARE (swprintf (buf, array_length (buf), L"%.0s", "foo"), 0);
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TEST_COMPARE_STRING_WIDE (buf, L"");
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TEST_COMPARE (swprintf (buf, array_length (buf), L"%.0ls", L"foo"), 0);
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TEST_COMPARE_STRING_WIDE (buf, L"");
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return 0;
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}
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#include <support/test-driver.c>
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