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test: replace the double assert macros with proper checks

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Instead of value * 256 which makes for bad debug messages, expand it to a full
double test with a 1/256 epsilon.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2019-06-12 14:11:00 +10:00
parent c3005ce48e
commit f70b80569a
2 changed files with 44 additions and 6 deletions
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18
test/litest.c
View file

@ -206,6 +206,24 @@ litest_fail_comparison_int(const char *file,
abort();
}
__attribute__((noreturn))
void
litest_fail_comparison_double(const char *file,
int line,
const char *func,
const char *operator,
double a,
double b,
const char *astr,
const char *bstr)
{
litest_log("FAILED COMPARISON: %s %s %s\n", astr, operator, bstr);
litest_log("Resolved to: %.3f %s %.3f\n", a, operator, b);
litest_log("in %s() (%s:%d)\n", func, file, line);
litest_backtrace();
abort();
}
__attribute__((noreturn))
void
litest_fail_comparison_ptr(const char *file,

32
test/litest.h
View file

@ -95,6 +95,15 @@ litest_fail_comparison_int(const char *file,
const char *astr,
const char *bstr);
void
litest_fail_comparison_double(const char *file,
int line,
const char *func,
const char *operator,
double a,
double b,
const char *astr,
const char *bstr);
void
litest_fail_comparison_ptr(const char *file,
int line,
const char *func,
@ -164,6 +173,17 @@ litest_fail_comparison_ptr(const char *file,
#a_ " " #op_ " " #b_); \
} while(0)
#define litest_assert_comparison_double_(a_, op_, b_) \
do { \
const double EPSILON = 1.0/256; \
__typeof__(a_) _a = a_; \
__typeof__(b_) _b = b_; \
if (!((_a) op_ (_b)) && fabs((_a) - (_b)) > EPSILON) \
litest_fail_comparison_double(__FILE__, __LINE__, __func__,\
#op_, _a, _b, \
#a_, #b_); \
} while(0)
#define litest_assert_ptr_eq(a_, b_) \
litest_assert_comparison_ptr_(a_, ==, b_)
@ -177,22 +197,22 @@ litest_fail_comparison_ptr(const char *file,
litest_assert_comparison_ptr_(a_, !=, NULL)
#define litest_assert_double_eq(a_, b_)\
ck_assert_int_eq((int)((a_) * 256), (int)((b_) * 256))
litest_assert_comparison_double_((a_), ==, (b_))
#define litest_assert_double_ne(a_, b_)\
ck_assert_int_ne((int)((a_) * 256), (int)((b_) * 256))
litest_assert_comparison_double_((a_), !=, (b_))
#define litest_assert_double_lt(a_, b_)\
ck_assert_int_lt((int)((a_) * 256), (int)((b_) * 256))
litest_assert_comparison_double_((a_), <, (b_))
#define litest_assert_double_le(a_, b_)\
ck_assert_int_le((int)((a_) * 256), (int)((b_) * 256))
litest_assert_comparison_double_((a_), <=, (b_))
#define litest_assert_double_gt(a_, b_)\
ck_assert_int_gt((int)((a_) * 256), (int)((b_) * 256))
litest_assert_comparison_double_((a_), >, (b_))
#define litest_assert_double_ge(a_, b_)\
ck_assert_int_ge((int)((a_) * 256), (int)((b_) * 256))
litest_assert_comparison_double_((a_), >=, (b_))
enum litest_device_type {
LITEST_NO_DEVICE = -1,