tests: print_string

tests/CMakeLists.txt

@@ -14,6 +14,7 @@ if(ENABLE_CJSON_TEST)
         parse_array
         parse_object
         parse_value
+        print_string
     )
 
     add_library(test-common common.c)

tests/print_string.c

@@ -0,0 +1,76 @@
+/*
+  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 "unity/examples/unity_config.h"
+#include "unity/src/unity.h"
+#include "common.h"
+
+static void assert_print_string(const char *expected, const char *input)
+{
+    unsigned char printed[1024];
+    printbuffer buffer;
+    buffer.buffer = printed;
+    buffer.length = sizeof(printed);
+    buffer.offset = 0;
+    buffer.noalloc = true;
+
+    TEST_ASSERT_NOT_NULL_MESSAGE(print_string_ptr((const unsigned char*)input, &buffer), "Failed to print string.");
+    TEST_ASSERT_EQUAL_STRING_MESSAGE(expected, printed, "The printed string isn't as expected.");
+}
+
+static void print_string_should_print_empty_strings(void)
+{
+    assert_print_string("\"\"", "");
+}
+
+static void print_string_should_print_ascii(void)
+{
+    char ascii[0x7F];
+    size_t i = 1;
+
+    /* create ascii table */
+    for (i = 1; i < 0x7F; i++)
+    {
+        ascii[i-1] = (char)i;
+    }
+    ascii[0x7F-1] = '\0';
+
+    assert_print_string("\"\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f !\\\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\"",
+            ascii);
+}
+
+static void print_string_should_print_utf8(void)
+{
+    assert_print_string("\"ü猫慕\"", "ü猫慕");
+}
+
+int main(void)
+{
+    /* initialize cJSON item */
+    UNITY_BEGIN();
+
+    RUN_TEST(print_string_should_print_empty_strings);
+    RUN_TEST(print_string_should_print_ascii);
+    RUN_TEST(print_string_should_print_utf8);
+
+    return UNITY_END();
+}