add performance tests for scaling.

2 files changed, 68 insertions, 0 deletions

diff --git a/test/test.c b/test/test.c
new file mode 100644
index 0000000..926d5c2
--- /dev/null
+++ b/test/test.c
@@ -0,0 +1,62 @@
+#include "stdio.h"
+#include "stdlib.h"
+#include "sys/time.h"
+
+#include "../src/meh.h"
+
+#define TESTRUNS 20
+#define STARTTEST(name) int test_##name(){ testname = #name; testsrun++; do
+#define ENDTEST while(0); testspassed++; return 0;}
+#define STARTTIME struct timeval tvs[2];int _i, _j; for(_i = 0; _i < 2; gettimeofday(&tvs[_i], NULL), _i++){for(_j = 0; _j < (_i ? TESTRUNS : 3); _j++)
+#define ENDTIME }long int mselapsed = (tvs[1].tv_sec - tvs[0].tv_sec) * 1000000L + (tvs[1].tv_usec - tvs[0].tv_usec); printf("%s: average time: %li.%.3li ms\n", testname, mselapsed/1000/TESTRUNS, (mselapsed/TESTRUNS)%1000);
+#define assert(x) if(!(x)){fprintf(stderr, "test \"%s\" failed\n   assert(%s) was false\n   at %s:%i\n\n", testname, #x, __FILE__ ,__LINE__);return -1;}
+
+char *testname = NULL;
+int testsrun = 0, testspassed = 0;
+
+typedef int (*test_t)();
+
+STARTTEST(scale){
+	struct image img;
+	img.bufwidth = 1280*2;
+	img.bufheight = 1024*2;
+	img.buf = malloc(img.bufwidth*img.bufheight*4);
+	char *to = malloc(1280*1024*4);
+	STARTTIME{
+		scale(&img, 1280, 1024, 1280, to);
+	}ENDTIME
+	free(to);
+	free(img.buf);
+}ENDTEST
+
+STARTTEST(nearestscale){
+	struct image img;
+	img.bufwidth = 1280*2;
+	img.bufheight = 1024*2;
+	img.buf = malloc(img.bufwidth*img.bufheight*4);
+	char *to = malloc(1280*1024*4);
+	STARTTIME{
+		nearestscale(&img, 1280, 1024, 1280, to);
+	}ENDTIME
+	free(to);
+	free(img.buf);
+}ENDTEST
+
+test_t tests[] = {
+	test_scale,
+	test_nearestscale,
+	NULL
+};
+
+void summary(){
+	printf("%i tests run: %i passed  %i failed\n", testsrun, testspassed, testsrun - testspassed);
+}
+
+int main(){
+	test_t *test = tests;
+	for(; *test; test++)
+		(*test)();
+	summary();
+	return 0;
+}
+
diff --git a/test/test.h b/test/test.h
new file mode 100644
index 0000000..1f2e7a0
--- /dev/null
+++ b/test/test.h
@@ -0,0 +1,6 @@
+
+#define STARTTIME 
+#define ENDTIME 
+
+#define 
+