X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Forder%2Ftest%2Fapi.c;fp=ccan%2Forder%2Ftest%2Fapi.c;h=61ec96f6bb09bd5f189c3d00238c1c330799cf7b;hb=37825438b65879dad1a343b45bb5ce9fc37ba8e7;hp=0000000000000000000000000000000000000000;hpb=c2a3098b254830f33e800bfa398882786632631e;p=ccan

diff --git a/ccan/order/test/api.c b/ccan/order/test/api.c
new file mode 100644
index 00000000..61ec96f6
--- /dev/null
+++ b/ccan/order/test/api.c
@@ -0,0 +1,138 @@
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <float.h>
+#include <math.h>
+
+#include <ccan/array_size/array_size.h>
+
+#include <ccan/order/order.h>
+#include <ccan/tap/tap.h>
+
+#include <ccan/asort/asort.h>
+
+#define QSORT_SCALAR(t, oname, ...)					\
+	{								\
+		t arr0[] = { __VA_ARGS__ };				\
+		const int num = ARRAY_SIZE(arr0);			\
+		t arr1[num], arr2[num];					\
+		int i;							\
+									\
+		/* Intialize arr1 in reverse order */			\
+		for (i = 0; i < num; i++)				\
+			arr1[i] = arr0[num-i-1];			\
+									\
+		memcpy(arr2, arr1, sizeof(arr1));			\
+		qsort(arr2, num, sizeof(t), order_##oname##_noctx);	\
+		ok(memcmp(arr2, arr0, sizeof(arr0)) == 0,		\
+		   "qsort order_%s_noctx", #oname);			\
+									\
+		qsort(arr2, num, sizeof(t), order_##oname##_reverse_noctx); \
+		ok(memcmp(arr2, arr1, sizeof(arr1)) == 0,		\
+		   "qsort order_%s_reverse_noctx", #oname);		\
+	}
+
+#define ASORT_SCALAR(t, oname, ...)					\
+	{								\
+		t arr0[] = { __VA_ARGS__ };				\
+		const int num = ARRAY_SIZE(arr0);			\
+		t arr1[num], arr2[num];					\
+		int i;							\
+									\
+		/* Intialize arr1 in reverse order */			\
+		for (i = 0; i < num; i++)				\
+			arr1[i] = arr0[num-i-1];			\
+									\
+		memcpy(arr2, arr1, sizeof(arr1));			\
+		asort(arr2, num, order_##oname, NULL);			\
+		ok(memcmp(arr2, arr0, sizeof(arr0)) == 0,		\
+		   "asort order_%s", #oname);				\
+									\
+		asort(arr2, num, order_##oname##_reverse, NULL);	\
+		ok(memcmp(arr2, arr1, sizeof(arr1)) == 0,		\
+		   "asort order_%s_reverse", #oname);			\
+	}
+
+#define ASORT_STRUCT_BY_SCALAR(t, oname, ...)				\
+	{								\
+		t arrbase[] = { __VA_ARGS__ };				\
+		struct tstruct {					\
+			char dummy0[5];					\
+			t val;						\
+			long dummy1;					\
+		};							\
+		const int num = ARRAY_SIZE(arrbase);			\
+		struct tstruct arr0[num], arr1[num], arr2[num];		\
+		int i;							\
+		total_order_by_field(order, oname, struct tstruct, val); \
+		total_order_by_field(rorder, oname##_reverse,		\
+				     struct tstruct, val);		\
+									\
+		/* Set up dummy structures */				\
+		memset(arr0, 0, sizeof(arr0));				\
+		for (i = 0; i < num; i++) {				\
+			arr0[i].dummy1 = i;				\
+			strcpy(arr0[i].dummy0, "abc");			\
+			arr0[i].val = arrbase[i];			\
+		}							\
+									\
+		/* Intialize arr1 in reverse order */			\
+		for (i = 0; i < num; i++)				\
+			arr1[i] = arr0[num-i-1];			\
+									\
+		memcpy(arr2, arr1, sizeof(arr1));			\
+		asort(arr2, num, order.cb, order.ctx);			\
+		ok(memcmp(arr2, arr0, sizeof(arr0)) == 0,		\
+		   "asort by field %s", #oname);			\
+									\
+		asort(arr2, num, rorder.cb, rorder.ctx);		\
+		ok(memcmp(arr2, arr1, sizeof(arr1)) == 0,		\
+		   "asort by field %s_reverse", #oname);		\
+	}
+
+#define TEST_SCALAR(t, oname, ...)					\
+	{								\
+		QSORT_SCALAR(t, oname, __VA_ARGS__);			\
+		ASORT_SCALAR(t, oname, __VA_ARGS__);			\
+		ASORT_STRUCT_BY_SCALAR(t, oname, __VA_ARGS__);		\
+	}
+
+int main(void)
+{
+	/* This is how many tests you plan to run */
+	plan_tests(84);
+
+	TEST_SCALAR(int8_t, s8, -128, -4, 0, 1, 2, 88, 126, 127);
+	TEST_SCALAR(int16_t, s16, -32768, -4, 0, 1, 2, 88, 126, 32767);
+	TEST_SCALAR(int32_t, s32, -2000000000, -4, 0, 1, 2, 88, 126,
+		    2000000000);
+	TEST_SCALAR(int64_t, s64, -999999999999999999LL, -2000000000, -4, 0,
+		    1, 2, 88, 126, 2000000000, 999999999999999999LL);
+
+	TEST_SCALAR(uint8_t, u8, 0, 1, 2, 88, 126, 127, -10, -1);
+	TEST_SCALAR(uint16_t, u16, 0, 1, 2, 88, 126, 32767, -10, -1);
+	TEST_SCALAR(uint32_t, u32, 0, 1, 2, 88, 126, 2000000000, -10, -1);
+	TEST_SCALAR(uint64_t, u64, 0, 1, 2, 88, 126, 2000000000,
+		    999999999999999999LL, -10, -1);
+
+	TEST_SCALAR(int, int, INT_MIN, -10, -1, 0, 1, 10, INT_MAX);
+	TEST_SCALAR(unsigned, uint, 0, 1, 10, INT_MAX, (unsigned)INT_MAX+1,
+		    -10, -1);
+
+	TEST_SCALAR(long, long, LONG_MIN, INT_MIN, -10, -1, 0, 1, 10, INT_MAX,
+		    LONG_MAX);
+	TEST_SCALAR(unsigned long, ulong, 0, 1, 10, INT_MAX,
+		    (unsigned long)INT_MAX+1, LONG_MAX,
+		    (unsigned long)LONG_MAX+1, -10, -1);
+
+	TEST_SCALAR(float, float, -INFINITY, -FLT_MAX, -1.0, 0.0, FLT_MIN,
+		  0.1, M_E, M_PI, 5.79, FLT_MAX, INFINITY);
+	TEST_SCALAR(double, double, -INFINITY, -DBL_MAX, -FLT_MAX, -1.0, 0.0,
+		  DBL_MIN, FLT_MIN, 0.1, M_E, M_PI, 5.79, FLT_MAX, DBL_MAX,
+		  INFINITY);
+
+	/* This exits depending on whether all tests passed */
+	return exit_status();
+}