* Add handling of surrogate pairs

git-svn-id: http://svn.metaparadigm.com/svn/json-c/trunk@53 327403b1-1117-474d-bef2-5cb71233fd97

test4.c

@@ -0,0 +1,44 @@
+/*
+ * gcc -o utf8 utf8.c -I/home/y/include -L./.libs -ljson
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <json/json_object.h>
+#include <json/json_tokener.h>
+
+void print_hex( const unsigned char* s) {
+        const unsigned char *iter = s;
+        unsigned char ch;
+        while ((ch = *iter++) != 0) {
+           if( ',' != ch)
+            printf("%x ", ch);
+           else
+            printf( ",");
+        }
+        printf("\n");
+}
+
+int main() {
+    const char *input = "\"\\ud840\\udd26,\\ud840\\udd27,\\ud800\\udd26,\\ud800\\udd27\"";
+    const char *expected = "\xF0\xA0\x84\xA6,\xF0\xA0\x84\xA7,\xF0\x90\x84\xA6,\xF0\x90\x84\xA7";
+    struct json_object *parse_result = json_tokener_parse((char*)input);
+    const char *unjson = json_object_get_string(parse_result);
+
+    printf("input: %s\n", input);
+
+    int strings_match = !strcmp( expected, unjson);
+    if (strings_match) {
+        printf("JSON parse result is correct: %s\n", unjson);
+        printf("PASS\n");
+        return(0);
+    } else {
+        printf("JSON parse result doesn't match expected string\n");
+        printf("expected string bytes: ");
+        print_hex( expected);
+        printf("parsed string bytes:   ");
+        print_hex( unjson);
+        printf("FAIL\n");
+        return(1);
+    }
+}