unity-tests: parse_number

tests/CMakeLists.txt

@@ -8,6 +8,7 @@ if(ENABLE_CJSON_TEST)
 
     set(unity_tests
         parse_examples
+        parse_number
     )
 
     foreach(unity_test ${unity_tests})

tests/parse_number.c

@@ -0,0 +1,107 @@
+/*
+  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 void assert_is_number(cJSON *number_item)
+{
+    TEST_ASSERT_NOT_NULL_MESSAGE(number_item, "Item is NULL.");
+
+    TEST_ASSERT_NULL_MESSAGE(number_item->next, "Linked list next pointer is not NULL.");
+    TEST_ASSERT_NULL_MESSAGE(number_item->prev, "Linked list previous pointer is not NULL");
+    TEST_ASSERT_NULL_MESSAGE(number_item->child, "Child pointer is not NULL.");
+    TEST_ASSERT_BITS_MESSAGE(0xFF, cJSON_Number, number_item->type, "Message type is not number.");
+    TEST_ASSERT_BITS_MESSAGE(cJSON_IsReference, 0, number_item->type, "Item should not have a string as reference.");
+    TEST_ASSERT_BITS_MESSAGE(cJSON_StringIsConst, 0, number_item->type, "Item should not have a const string.");
+    TEST_ASSERT_NULL_MESSAGE(number_item->valuestring, "Valuestring is not NULL.");
+    TEST_ASSERT_NULL_MESSAGE(number_item->string, "String is not NULL.");
+}
+
+static void assert_parse_number(const char *string, int integer, double real)
+{
+    TEST_ASSERT_NOT_NULL(parse_number(item, (const unsigned char*)string));
+    assert_is_number(item);
+    TEST_ASSERT_EQUAL_INT(integer, item->valueint);
+    TEST_ASSERT_EQUAL_DOUBLE(real, item->valuedouble);
+}
+
+static void parse_number_should_parse_zero(void)
+{
+    assert_parse_number("0", 0, 0);
+    assert_parse_number("0.0", 0, 0.0);
+    assert_parse_number("-0", 0, -0.0);
+}
+
+static void parse_number_should_parse_negative_integers(void)
+{
+    assert_parse_number("-1", -1, -1);
+    assert_parse_number("-32768", -32768, -32768.0);
+    assert_parse_number("-2147483648", (int)-2147483648.0, -2147483648.0);
+}
+
+static void parse_number_should_parse_positive_integers(void)
+{
+    assert_parse_number("1", 1, 1);
+    assert_parse_number("32767", 32767, 32767.0);
+    assert_parse_number("2147483647", (int)2147483647.0, 2147483647.0);
+}
+
+static void parse_number_should_parse_positive_reals(void)
+{
+    assert_parse_number("0.001", 0, 0.001);
+    assert_parse_number("10e-10", 0, 10e-10);
+    assert_parse_number("10E-10", 0, 10e-10);
+    assert_parse_number("10e10", INT_MAX, 10e10);
+    assert_parse_number("123e+127", INT_MAX, 123e127);
+    assert_parse_number("123e-128", 0, 123e-128);
+}
+
+static void parse_number_should_parse_negative_reals(void)
+{
+    assert_parse_number("-0.001", 0, -0.001);
+    assert_parse_number("-10e-10", 0, -10e-10);
+    assert_parse_number("-10E-10", 0, -10e-10);
+    assert_parse_number("-10e20", INT_MIN, -10e20);
+    assert_parse_number("-123e+127", INT_MIN, -123e127);
+    assert_parse_number("-123e-128", 0, -123e-128);
+}
+
+int main(void)
+{
+    /* initialize cJSON item */
+    memset(item, 0, sizeof(cJSON));
+    UNITY_BEGIN();
+    RUN_TEST(parse_number_should_parse_zero);
+    RUN_TEST(parse_number_should_parse_negative_integers);
+    RUN_TEST(parse_number_should_parse_positive_integers);
+    RUN_TEST(parse_number_should_parse_positive_reals);
+    RUN_TEST(parse_number_should_parse_negative_reals);
+    return UNITY_END();
+}

tests/unity/examples/unity_config.h

@@ -121,7 +121,7 @@
   * or both, as suits your needs.
   */
 /* #define UNITY_EXCLUDE_FLOAT  */
-/* #define UNITY_INCLUDE_DOUBLE */
+#define UNITY_INCLUDE_DOUBLE
 /* #define UNITY_EXCLUDE_DOUBLE */
 
 /* For features that are enabled, the following floating point options also

tests/unity/src/unity_internals.h

@@ -7,9 +7,7 @@
 #ifndef UNITY_INTERNALS_H
 #define UNITY_INTERNALS_H
 
-#ifdef UNITY_INCLUDE_CONFIG_H
+#include "../examples/unity_config.h"
-#include "unity_config.h"
-#endif
 
 #ifndef UNITY_EXCLUDE_SETJMP_H
 #include <setjmp.h>