json_parser: Add a test file

Signed-off-by: Piyush Shah <[email protected]>

Author: shahpiyushv

Makefile

@@ -3,7 +3,7 @@ CFLAGS := -O2 -Iinclude -Ijsmn -DJSMN_PARENT_LINKS -DJSMN_STRICT
 
 all: json_parser
 
-json_parser: src/json_parser.c jsmn/jsmn.c
+json_parser: src/json_parser.c jsmn/jsmn.c tests/main.c
 	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@
 
 clean:

tests/main.c

@@ -0,0 +1,79 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <json_parser.h>
+
+#define json_test_str	"{\n\"str_val\" :    \"JSON Parser\",\n" \
+			"\t\"float_val\" : 2.0,\n" \
+			"\"int_val\" : 2017,\n" \
+			"\"bool_val\" : false,\n" \
+			"\"supported_el\" :\t [\"bool\",\"int\","\
+			"\"float\",\"str\"" \
+			",\"object\",\"array\"],\n" \
+			"\"features\" : { \"objects\":true, "\
+			"\"arrays\":\"yes\"},\n"\
+			"\"int_64\":109174583252}"
+
+int main(int argc, char **argv)
+{
+	jparse_ctx_t jctx;
+	int ret = json_parse_start(&jctx, json_test_str, strlen(json_test_str));
+	if (ret != OS_SUCCESS) {
+		printf("Parser failed\n");
+		return -1;
+	}
+	char str_val[20];
+	int int_val, num_elem;
+	int64_t int64_val;
+	bool bool_val;
+	float float_val;
+
+	if (json_obj_get_string(&jctx, "str_val", str_val, sizeof(str_val)) == OS_SUCCESS)
+		printf("str_val %s\n", str_val);
+
+	if (json_obj_get_float(&jctx, "float_val", &float_val) == OS_SUCCESS)
+		printf("float_val %f\n", float_val);
+
+	if (json_obj_get_int(&jctx, "int_val", &int_val) == OS_SUCCESS)
+		printf("int_val %d\n", int_val);
+
+	if (json_obj_get_bool(&jctx, "bool_val", &bool_val) == OS_SUCCESS)
+		printf("bool_val %s\n", bool_val ? "true" : "false");
+
+	if (json_obj_get_array(&jctx, "supported_el", &num_elem) == OS_SUCCESS) {
+		printf("Array has %d elements\n", num_elem);
+		int i;
+		for (i = 0; i < num_elem; i++) {
+			json_arr_get_string(&jctx, i, str_val, sizeof(str_val));
+			printf("index %d: %s\n", i, str_val);
+		}
+		json_obj_leave_array(&jctx);
+	}
+	if (json_obj_get_object(&jctx, "features") == OS_SUCCESS) {
+		printf("Found object\n");
+		if (json_obj_get_bool(&jctx, "objects", &bool_val) == OS_SUCCESS)
+			printf("objects %s\n", bool_val ? "true" : "false");
+		if (json_obj_get_string(&jctx, "arrays", str_val, sizeof(str_val)) == OS_SUCCESS)
+			printf("arrays %s\n", str_val);
+		json_obj_leave_object(&jctx);
+	}
+	if (json_obj_get_int64(&jctx, "int_64", &int64_val) == OS_SUCCESS)
+		printf("int64_val %lld\n", int64_val);
+
+	json_parse_end(&jctx);
+	return 0;
+
+}