faux.vec: Tests

faux/testc_module/testc_module.c

@@ -35,6 +35,10 @@ const char *testc_module[][2] = {
 	{"testc_faux_log_facility_id", "Converts syslog facility string to id"},
 	{"testc_faux_log_facility_str", "Converts syslog facility id to string"},
 
+	// vec
+	{"testc_faux_vec", "Complex test of variable length vector"},
+
+
 	// End of list
 	{NULL, NULL}
 	};

faux/vec.h

@@ -15,6 +15,18 @@ typedef int (*faux_vec_kcmp_fn)(const void *key, const void *item);
 
 C_DECL_BEGIN
 
+faux_vec_t *faux_vec_new(size_t item_size, faux_vec_kcmp_fn matchFn);
+void faux_vec_free(faux_vec_t *faux_vec);
+size_t faux_vec_len(const faux_vec_t *faux_vec);
+size_t faux_vec_item_size(const faux_vec_t *faux_vec);
+void *faux_vec_item(const faux_vec_t *faux_vec, unsigned int index);
+void *faux_vec_data(const faux_vec_t *faux_vec);
+void *faux_vec_add(faux_vec_t *faux_vec);
+ssize_t faux_vec_del(faux_vec_t *faux_vec, unsigned int index);
+int faux_vec_find_fn(const faux_vec_t *faux_vec, faux_vec_kcmp_fn matchFn,
+	const void *userkey, unsigned int start_index);
+int faux_vec_find(const faux_vec_t *faux_vec, const void *userkey,
+	unsigned int start_index);
 
 C_DECL_END
 

faux/vec/Makefile.am

@@ -1,3 +1,7 @@
 libfaux_la_SOURCES += \
 	faux/vec/vec.c \
 	faux/vec/vec.h
+
+if TESTC
+libfaux_la_SOURCES += faux/vec/testc_vec.c
+endif

faux/vec/testc_vec.c

@@ -0,0 +1,96 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "faux/vec.h"
+
+int kmatch(const void *key, const void *item)
+{
+	uint32_t k = *(uint32_t *)key;
+	uint32_t i = *(uint32_t *)item;
+	if (k == i)
+		return 0;
+	return -1;
+}
+
+#define VEC_LEN 6
+int testc_faux_vec(void)
+{
+	// Source vector
+	const uint32_t src_vec[VEC_LEN] = { 0, 1, 2, 3, 4, 5 };
+	unsigned int i = 0;
+	int ret = -1; // Pessimistic return value
+	faux_vec_t *vec = NULL;
+
+	// Fill the vector
+	vec = faux_vec_new(sizeof(uint32_t), kmatch);
+	for (i = 0; i < VEC_LEN; i++) {
+		uint32_t *val = faux_vec_add(vec);
+		*val = src_vec[i];
+	}
+
+	// Compare whole vectors
+	if (memcmp(faux_vec_data(vec), src_vec,
+		faux_vec_len(vec) * faux_vec_item_size(vec))) {
+		fprintf(stderr, "Vector object is not equal to etalon vector\n");
+		goto err;
+	}
+
+	// Out-of-range
+	if (faux_vec_item(vec, VEC_LEN) != NULL) {
+		fprintf(stderr, "Broken out-of-range\n");
+		goto err;
+	}
+
+	// Get item by index
+	if (*(uint32_t *)faux_vec_item(vec, VEC_LEN - 2) != (VEC_LEN - 2)) {
+		fprintf(stderr, "Broken faux_vec_item()\n");
+		goto err;
+	}
+
+	// Remove last item
+	if (faux_vec_del(vec, VEC_LEN - 1) != (VEC_LEN - 1)) {
+		fprintf(stderr, "Broken last item deletion\n");
+		goto err;
+	}
+
+	if (memcmp(faux_vec_data(vec), src_vec,
+		faux_vec_len(vec) * faux_vec_item_size(vec))) {
+		fprintf(stderr, "Vector object is not equal to etalon vector after del\n");
+		goto err;
+	}
+
+	// Restore full vector
+	*(uint32_t *)faux_vec_add(vec) = VEC_LEN - 1;
+
+	// Remove not-last item
+	if (faux_vec_del(vec, VEC_LEN - 3) != (VEC_LEN - 1)) {
+		fprintf(stderr, "Broken non-last item deletion\n");
+		goto err;
+	}
+
+	// Get item by index but it fill the hole now
+	if (*(uint32_t *)faux_vec_item(vec, VEC_LEN - 3) != (VEC_LEN - 2)) {
+		fprintf(stderr, "Broken faux_vec_item() after non-last delete\n");
+		goto err;
+	}
+
+	// Find item
+	if (faux_vec_find(vec, &src_vec[VEC_LEN - 1], 0) != (VEC_LEN - 2)) {
+		fprintf(stderr, "Can't find item by key\n");
+		goto err;
+	}
+
+	// Find item start from some item
+	if (faux_vec_find(vec, &src_vec[1], 2) >= 0) {
+		fprintf(stderr, "The start_index doesn't work\n");
+		goto err;
+	}
+
+	ret = 0;
+err:
+	faux_vec_free(vec);
+
+	return ret;
+}