5977114c42
. make common.o link with the tests instead of being #included as common.c . fix warnings about missing prototypes by declaring functions static . reduces some duplicated code Change-Id: Ic2a765d7f5886add5863190efec3fdd2d2ea2137
154 lines
4.2 KiB
C
154 lines
4.2 KiB
C
#define GLUE_HELPER(x, y) x ## _ ## y
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#define GLUE(x, y) GLUE_HELPER(x, y)
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#define TOSTRING(x) #x
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static const char *GLUE(make_string, TYPE_FUNC)(TYPE value, int base)
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{
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static char buffer[66];
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char *s; /* allows 64-bit base 2 value with minus and null */
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TYPEU valuetemp;
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/* build number string in proper base, work backwards, starting with null */
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s = buffer + sizeof(buffer);
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*--s = 0;
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/* fill in the digits */
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valuetemp = (value < 0) ? -value : value;
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do
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{
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*--s = "0123456789abcdefghijklmnopqrstuvwxyz"[valuetemp % base];
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valuetemp /= base;
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} while (valuetemp);
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/* add sign if needed */
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if (value < 0)
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*--s = '-';
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return s;
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}
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static void GLUE(e, TYPE_FUNC)(int n, const char *s, TYPE result, int base)
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{
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/* watch out: don't overwrite the static buffer in make_string */
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printf("Subtest %s, error %d, errno=%d, s=\"%s\", base=%d, ", TOSTRING(TYPE_FUNC), n, errno, s, base);
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printf("result=%s\n", GLUE(make_string, TYPE_FUNC)(result, base));
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e(7);
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}
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static void GLUE(test_string, TYPE_FUNC)(const char *s, TYPE value, int base)
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{
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char *end;
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TYPE result;
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/* must convert the entire string, resulting in the requested value */
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result = TYPE_FUNC(s, &end, base);
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if (result != value) GLUE(e, TYPE_FUNC)(1, s, result, base);
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if (*end) GLUE(e, TYPE_FUNC)(2, s, result, base);
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}
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static void GLUE(test_value_with_base, TYPE_FUNC)(TYPE value, int base)
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{
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const char *s;
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/* convert to string, then convert back */
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s = GLUE(make_string, TYPE_FUNC)(value, base);
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GLUE(test_string, TYPE_FUNC)(s, value, base);
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}
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static void GLUE(test_value, TYPE_FUNC)(TYPE value)
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{
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int base;
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/* let's get all our bases covered */
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for (base = 2; base <= 36; base++)
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GLUE(test_value_with_base, TYPE_FUNC)(value, base);
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}
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static void GLUE(test, TYPE_FUNC)(void)
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{
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int base, i;
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TYPE value, valuenext;
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/* check 0x0000.... and 0xffff.... */
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value = 0;
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for (i = 0; i < 0x10000; i++)
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{
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/* test current value */
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GLUE(test_value, TYPE_FUNC)(value);
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GLUE(test_value, TYPE_FUNC)(-value);
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value++;
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}
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/* check 0x8000.... and 0x7fff.... */
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value = 0;
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value = ((~value) << 1) >> 1;
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for (i = 0; i < 0x10000; i++)
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{
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/* test current value */
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GLUE(test_value, TYPE_FUNC)(value);
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GLUE(test_value, TYPE_FUNC)(-value);
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value++;
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}
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/* check powers of possible bases */
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for (base = 2; base <= 36; base++)
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{
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value = 1;
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while (1)
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{
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/* test current value with offsets */
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for (i = -36; i <= 36; i++)
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{
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GLUE(test_value, TYPE_FUNC)(value + i);
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GLUE(test_value, TYPE_FUNC)(-value + i);
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}
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/* stop after overflow */
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valuenext = value * base;
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if (valuenext <= value)
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break;
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value = valuenext;
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}
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}
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/* automatic base */
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GLUE(test_string, TYPE_FUNC)("10", 10, 0);
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GLUE(test_string, TYPE_FUNC)("010", 010, 0);
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GLUE(test_string, TYPE_FUNC)("010", 010, 8);
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GLUE(test_string, TYPE_FUNC)("0x10", 0x10, 0);
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GLUE(test_string, TYPE_FUNC)("0X10", 0X10, 0);
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GLUE(test_string, TYPE_FUNC)("0x10", 0x10, 16);
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GLUE(test_string, TYPE_FUNC)("0X10", 0X10, 16);
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/* ignore plus sign, leading spaces and zeroes */
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GLUE(test_string, TYPE_FUNC)("10", 10, 10);
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GLUE(test_string, TYPE_FUNC)("010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" 10", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" 010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" 0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("\t10", 10, 10);
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GLUE(test_string, TYPE_FUNC)("\t010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("\t0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" \t10", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" \t010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" \t0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("+10", 10, 10);
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GLUE(test_string, TYPE_FUNC)("+010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("+0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" +10", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" +010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" +0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("\t+10", 10, 10);
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GLUE(test_string, TYPE_FUNC)("\t+010", 10, 10);
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GLUE(test_string, TYPE_FUNC)("\t+0010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" \t+10", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" \t+010", 10, 10);
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GLUE(test_string, TYPE_FUNC)(" \t+0010", 10, 10);
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}
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#undef GLUE_HELPER
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#undef GLUE
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#undef TOSTRING
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