unity-tests: parse_object

tests/CMakeLists.txt

@@ -12,6 +12,7 @@ if(ENABLE_CJSON_TEST)
         parse_hex4
         parse_string
         parse_array
+        parse_object
     )
 
     foreach(unity_test ${unity_tests})

tests/parse_object.c

@@ -0,0 +1,173 @@
+/*
+  Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "unity/examples/unity_config.h"
+#include "unity/src/unity.h"
+#include "../cJSON.c"
+
+static cJSON item[1];
+
+static const unsigned char *error_pointer = NULL;
+
+static void assert_is_object(cJSON *object_item)
+{
+    TEST_ASSERT_NOT_NULL_MESSAGE(object_item, "Item is NULL.");
+
+    TEST_ASSERT_NULL_MESSAGE(object_item->next, "Linked list next pointer is not NULL.");
+    TEST_ASSERT_NULL_MESSAGE(object_item->prev, "Linked list previous pointer is not NULL");
+    TEST_ASSERT_BITS_MESSAGE(0xFF, cJSON_Object, object_item->type, "Item type is not object.");
+    TEST_ASSERT_BITS_MESSAGE(cJSON_IsReference, 0, object_item->type, "Item should not have a string as reference.");
+    TEST_ASSERT_BITS_MESSAGE(cJSON_StringIsConst, 0, object_item->type, "Item should not have a const string.");
+    TEST_ASSERT_NULL_MESSAGE(object_item->valuestring, "Valuestring is not NULL.");
+    TEST_ASSERT_NULL_MESSAGE(object_item->string, "String is not NULL.");
+}
+
+static void assert_is_child(cJSON *child_item, const char *name, int type)
+{
+    TEST_ASSERT_NOT_NULL_MESSAGE(child_item, "Child item is NULL.");
+    TEST_ASSERT_NOT_NULL_MESSAGE(child_item->string, "Child item doesn't have a name.");
+    TEST_ASSERT_EQUAL_STRING_MESSAGE(name, child_item->string, "Child item has the wrong name.");
+    TEST_ASSERT_BITS(0xFF, type, child_item->type);
+}
+
+static void assert_not_object(const char *json)
+{
+    TEST_ASSERT_NULL(parse_object(item, (const unsigned char*)json, &error_pointer));
+}
+
+static void assert_parse_object(const char *json)
+{
+    TEST_ASSERT_NOT_NULL(parse_object(item, (const unsigned char*)json, &error_pointer));
+    assert_is_object(item);
+}
+
+static void reset(void)
+{
+    if (item->child != NULL)
+    {
+        cJSON_Delete(item->child);
+    }
+    memset(item, 0, sizeof(cJSON));
+}
+
+static void parse_object_should_parse_empty_objects(void)
+{
+    assert_parse_object("{}");
+    TEST_ASSERT_NULL(item->child);
+    assert_parse_object("{\n\t}");
+    TEST_ASSERT_NULL(item->child);
+}
+
+static void parse_array_should_parse_arrays_with_one_element(void)
+{
+
+    assert_parse_object("{\"one\":1}");
+    assert_is_child(item->child, "one", cJSON_Number);
+    reset();
+
+    assert_parse_object("{\"hello\":\"world!\"}");
+    assert_is_child(item->child, "hello", cJSON_String);
+    reset();
+
+    assert_parse_object("{\"array\":[]}");
+    assert_is_child(item->child, "array", cJSON_Array);
+    reset();
+
+    assert_parse_object("{\"null\":null}");
+    assert_is_child(item->child, "null", cJSON_NULL);
+    reset();
+}
+
+static void parse_object_should_parse_objects_with_multiple_elements(void)
+{
+    assert_parse_object("{\"one\":1\t,\t\"two\"\n:2, \"three\":3}");
+    assert_is_child(item->child, "one", cJSON_Number);
+    assert_is_child(item->child->next, "two", cJSON_Number);
+    assert_is_child(item->child->next->next, "three", cJSON_Number);
+    reset();
+
+    {
+        size_t i = 0;
+        cJSON *node = NULL;
+        int expected_types[7] =
+        {
+            cJSON_Number,
+            cJSON_NULL,
+            cJSON_True,
+            cJSON_False,
+            cJSON_Array,
+            cJSON_String,
+            cJSON_Object
+        };
+        const char *expected_names[7] =
+        {
+            "one",
+            "NULL",
+            "TRUE",
+            "FALSE",
+            "array",
+            "world",
+            "object"
+        };
+        assert_parse_object("{\"one\":1, \"NULL\":null, \"TRUE\":true, \"FALSE\":false, \"array\":[], \"world\":\"hello\", \"object\":{}}");
+
+        node = item->child;
+        for (
+                i = 0;
+                (i < (sizeof(expected_types)/sizeof(int)))
+                && (node != NULL);
+                i++, node = node->next)
+        {
+            assert_is_child(node, expected_names[i], expected_types[i]);
+        }
+        TEST_ASSERT_EQUAL_INT(i, 7);
+        reset();
+    }
+}
+
+static void parse_object_should_not_parse_non_objects(void)
+{
+    assert_not_object("");
+    assert_not_object("{");
+    assert_not_object("}");
+    assert_not_object("[\"hello\",{}]");
+    assert_not_object("42");
+    assert_not_object("3.14");
+    assert_not_object("\"{}hello world!\n\"");
+}
+
+int main(void)
+{
+    /* initialize cJSON item */
+    memset(item, 0, sizeof(cJSON));
+
+    UNITY_BEGIN();
+    RUN_TEST(parse_object_should_parse_empty_objects);
+    RUN_TEST(parse_object_should_not_parse_non_objects);
+    RUN_TEST(parse_object_should_parse_objects_with_multiple_elements);
+    RUN_TEST(parse_array_should_parse_arrays_with_one_element);
+    return UNITY_END();
+}