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util: Convert roundeven_test to use gtest

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Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Acked-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13425>
This commit is contained in:
Caio Marcelo de Oliveira Filho 2021-10-19 09:34:45 -07:00
parent 83449f61ba
commit 213c9e944c
2 changed files with 32 additions and 80 deletions
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14
src/util/meson.build
View file

@ -294,23 +294,11 @@ if with_tests
)
endif
test(
'roundeven',
executable(
'roundeven_test',
files('roundeven_test.c'),
include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux],
c_args : [c_msvc_compat_args],
dependencies : [dep_m],
),
suite : ['util'],
should_fail : meson.get_cross_property('xfail', '').contains('roundeven'),
)
files_util_tests = files(
'bitset_test.cpp',
'blob_test.cpp',
'rb_tree_test.cpp',
'roundeven_test.cpp',
'register_allocate_test.cpp',
'tests/dag_test.cpp',
'tests/fast_idiv_by_const_test.cpp',

98
src/util/roundeven_test.c → src/util/roundeven_test.cpp
View file

@ -29,7 +29,9 @@
#include "macros.h"
#include "rounding.h"
int main(int argc, char *argv[])
#include <gtest/gtest.h>
TEST(Rounding, RoundevenFloat)
{
const struct {
float input, expected;
@ -48,6 +50,25 @@ int main(int argc, char *argv[])
{ nextafterf(2.5, 3.0), 3.0 },
};
for (unsigned i = 0; i < ARRAY_SIZE(float_data); i++) {
float output = _mesa_roundevenf(float_data[i].input);
EXPECT_TRUE(memcmp(&float_data[i].expected, &output, sizeof(float)) == 0)
<< "Subtest " << i << " float value: expected " << float_data[i].expected << " from "
<< "_mesa_roundevenf(" << float_data[i].input << " but got " << output << "\n";
}
// Test negated values.
for (unsigned i = 0; i < ARRAY_SIZE(float_data); i++) {
float output = _mesa_roundevenf(-float_data[i].input);
float negated_expected = -float_data[i].expected;
EXPECT_TRUE(memcmp(&negated_expected, &output, sizeof(float)) == 0)
<< "Subtest " << i << " float value: expected " << negated_expected << " from "
<< "_mesa_roundevenf(" << -float_data[i].input << " but got " << output << "\n";
}
}
TEST(Rounding, RoundevenDouble)
{
const struct {
double input, expected;
} double_data[] = {
@ -65,76 +86,19 @@ int main(int argc, char *argv[])
{ nextafter(2.5, 3.0), 3.0 },
};
bool failed = false;
int i;
for (i = 0; i < ARRAY_SIZE(float_data); i++) {
float output = _mesa_roundevenf(float_data[i].input);
if (memcmp(&float_data[i].expected, &output, sizeof(float))) {
fprintf(stderr, "%d float: expected %f (%a) from "
"_mesa_roundevenf(%f (%a)) but got %f (%a)\n",
i,
float_data[i].expected,
float_data[i].expected,
float_data[i].input,
float_data[i].input,
output,
output);
failed = true;
}
}
/* Test negated values */
for (i = 0; i < ARRAY_SIZE(float_data); i++) {
float output = _mesa_roundevenf(-float_data[i].input);
float negated_expected = -float_data[i].expected;
if (memcmp(&negated_expected, &output, sizeof(float))) {
fprintf(stderr, "%d float: expected %f (%a) from "
"_mesa_roundevenf(%f (%a)) but got %f (%a)\n",
i,
negated_expected,
negated_expected,
-float_data[i].input,
-float_data[i].input,
output,
output);
failed = true;
}
}
for (i = 0; i < ARRAY_SIZE(double_data); i++) {
for (unsigned i = 0; i < ARRAY_SIZE(double_data); i++) {
double output = _mesa_roundeven(double_data[i].input);
if (memcmp(&double_data[i].expected, &output, sizeof(double))) {
fprintf(stderr, "%d double: expected %f (%a) from "
"_mesa_roundeven(%f (%a)) but got %f (%a)\n",
i,
double_data[i].expected,
double_data[i].expected,
double_data[i].input,
double_data[i].input,
output,
output);
failed = true;
}
EXPECT_TRUE(memcmp(&double_data[i].expected, &output, sizeof(double)) == 0)
<< "Subtest " << i << " double value: expected " << double_data[i].expected << " from "
<< "_mesa_roundeven(" << double_data[i].input << " but got " << output << "\n";
}
/* Test negated values */
for (i = 0; i < ARRAY_SIZE(double_data); i++) {
// Test negated values.
for (unsigned i = 0; i < ARRAY_SIZE(double_data); i++) {
double output = _mesa_roundeven(-double_data[i].input);
double negated_expected = -double_data[i].expected;
if (memcmp(&negated_expected, &output, sizeof(double))) {
fprintf(stderr, "%d double: expected %f (%a) from "
"_mesa_roundeven(%f (%a)) but got %f (%a)\n",
i,
negated_expected,
negated_expected,
-double_data[i].input,
-double_data[i].input,
output,
output);
failed = true;
}
EXPECT_TRUE(memcmp(&negated_expected, &output, sizeof(double)) == 0)
<< "Subtest " << i << " double value: expected " << negated_expected << " from "
<< "_mesa_roundeven(" << -double_data[i].input << " but got " << output << "\n";
}
return failed;
}