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-rw-r--r--test_gen.c73
1 files changed, 52 insertions, 21 deletions
diff --git a/test_gen.c b/test_gen.c
index 4e4f057..20939cb 100644
--- a/test_gen.c
+++ b/test_gen.c
@@ -19,6 +19,40 @@ struct {
{ LITTLE, "<" },
};
+enum fmt {
+ FMT_b,
+ FMT_B,
+ FMT_h,
+ FMT_H,
+ FMT_i,
+ FMT_I,
+ FMT_l,
+ FMT_L,
+ FMT_q,
+ FMT_Q,
+ FMT_END,
+ FMT_BEGIN = FMT_b,
+};
+
+struct fmtinfo {
+ char fmt;
+ char *type;
+ intmax_t min;
+ uintmax_t max;
+ size_t size;
+} fmtinfo[] = {
+ [FMT_b] = { 'b', "char", INTMAX_C( -128), UINTMAX_C( 127), 1 },
+ [FMT_B] = { 'B', "char", INTMAX_C( 0), UINTMAX_C( 255), 1 },
+ [FMT_h] = { 'h', "short", INTMAX_C( -32768), UINTMAX_C( 32767), 2 },
+ [FMT_H] = { 'H', "short", INTMAX_C( 0), UINTMAX_C( 65535), 2 },
+ [FMT_i] = { 'i', "int", INTMAX_C( -32768), UINTMAX_C( 32767), 2 },
+ [FMT_I] = { 'I', "int", INTMAX_C( 0), UINTMAX_C( 65535), 2 },
+ [FMT_l] = { 'l', "long", INTMAX_C( -2147483648), UINTMAX_C( 2147483647), 4 },
+ [FMT_L] = { 'L', "long", INTMAX_C( 0), UINTMAX_C( 4294967295), 4 },
+ [FMT_q] = { 'q', "long long", -INTMAX_C(9223372036854775807) - 1, UINTMAX_C( 9223372036854775807), 8 },
+ [FMT_Q] = { 'Q', "long long", INTMAX_C( 0), UINTMAX_C(18446744073709551615), 8 },
+};
+
static char cchar(char c)
{
if (c == '\0') return c;
@@ -65,34 +99,39 @@ static const char *i2bytes(enum endian e, int n, intmax_t v)
return u2bytes(e, n, i2u(n, v));
}
-static void generate_simple(FILE *out, char fmt, const char *type, intmax_t min, uintmax_t max, size_t size)
+static void generate_simple(FILE *out, enum fmt fmt)
{
unsigned char data[8];
+ struct fmtinfo *fi;
char *prefix;
bool sign;
- sign = islower(fmt);
+ assert(fmt < FMT_END);
+
+ fi = &fmtinfo[fmt];
+
+ sign = islower(fi->fmt);
prefix = sign ? "signed" : "unsigned";
- assert(size <= sizeof data);
+ assert(fi->size <= sizeof data);
- fprintf(out, "TEST(%s_%s)\n", prefix, cname(type));
+ fprintf(out, "TEST(%s_%s)\n", prefix, cname(fi->type));
fprintf(out, "{\n");
- fprintf(out, "\t%s %s %c = __LINE__;\n", prefix, type, fmt);
+ fprintf(out, "\t%s %s %c = __LINE__;\n", prefix, fi->type, fi->fmt);
for (size_t e = 0; e < sizeof endian / sizeof endian[0]; e++) {
for (int i = sign ? -1 : 0; i <= 1; i++) {
fprintf(out, "\tCHECK_UNPACK(DATA(%s), \"%s%c\", &%c);\n",
- i2bytes(endian[e].e, size, i), endian[e].prefix, fmt, fmt);
- fprintf(out, "\tCHECK_EQUAL(PRIdMAX, (intmax_t)%c, INTMAX_C(%d));\n", fmt, i);
+ i2bytes(endian[e].e, fi->size, i), endian[e].prefix, fi->fmt, fi->fmt);
+ fprintf(out, "\tCHECK_EQUAL(PRIdMAX, (intmax_t)%c, INTMAX_C(%d));\n", fi->fmt, i);
}
if (sign) {
fprintf(out, "\tCHECK_UNPACK(DATA(%s), \"%s%c\", &%c);\n",
- i2bytes(endian[e].e, size, min), endian[e].prefix, fmt, fmt);
- fprintf(out, "\tCHECK_EQUAL(PRIdMAX, (intmax_t)%c, -INTMAX_C(%" PRIdMAX ")-1);\n", fmt, -(min + 1));
+ i2bytes(endian[e].e, fi->size, fi->min), endian[e].prefix, fi->fmt, fi->fmt);
+ fprintf(out, "\tCHECK_EQUAL(PRIdMAX, (intmax_t)%c, -INTMAX_C(%" PRIdMAX ")-1);\n", fi->fmt, -(fi->min + 1));
}
fprintf(out, "\tCHECK_UNPACK(DATA(%s), \"%s%c\", &%c);\n",
- u2bytes(endian[e].e, size, max), endian[e].prefix, fmt, fmt);
- fprintf(out, "\tCHECK_EQUAL(PRIuMAX, (uintmax_t)%c, UINTMAX_C(%" PRIuMAX "));\n", fmt, max);
+ u2bytes(endian[e].e, fi->size, fi->max), endian[e].prefix, fi->fmt, fi->fmt);
+ fprintf(out, "\tCHECK_EQUAL(PRIuMAX, (uintmax_t)%c, UINTMAX_C(%" PRIuMAX "));\n", fi->fmt, fi->max);
}
fprintf(out, "\treturn true;\n");
fprintf(out, "}\n");
@@ -101,14 +140,6 @@ static void generate_simple(FILE *out, char fmt, const char *type, intmax_t min,
int main(void)
{
FILE *out = stdout;
- generate_simple(out, 'b', "char", INTMAX_C( -128), UINTMAX_C( 127), 1);
- generate_simple(out, 'B', "char", INTMAX_C( 0), UINTMAX_C( 255), 1);
- generate_simple(out, 'h', "short", INTMAX_C( -32768), UINTMAX_C( 32767), 2);
- generate_simple(out, 'H', "short", INTMAX_C( 0), UINTMAX_C( 65535), 2);
- generate_simple(out, 'i', "int", INTMAX_C( -32768), UINTMAX_C( 32767), 2);
- generate_simple(out, 'I', "int", INTMAX_C( 0), UINTMAX_C( 65535), 2);
- generate_simple(out, 'l', "long", INTMAX_C( -2147483648), UINTMAX_C( 2147483647), 4);
- generate_simple(out, 'L', "long", INTMAX_C( 0), UINTMAX_C( 4294967295), 4);
- generate_simple(out, 'q', "long long", -INTMAX_C(9223372036854775807)-1, UINTMAX_C( 9223372036854775807), 8);
- generate_simple(out, 'Q', "long long", INTMAX_C( 0), UINTMAX_C(18446744073709551615), 8);
+ for (enum fmt fmt = FMT_BEGIN; fmt < FMT_END; fmt++)
+ generate_simple(out, fmt);
}