reorganized files and added usage paragraph to readme

tests/test.c

@@ -0,0 +1,110 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include "xjson.h"
+
+#define TEST(src_) { .line = __LINE__, .src = src_ }
+
+static const struct {
+    int        line;
+    const char *src;
+} tests[] = {
+    TEST("null"),
+    TEST("true"),
+    TEST("false"),
+    
+    TEST("1"),
+    TEST("100"),
+    TEST("-1"),
+    TEST("-100"),
+    TEST("1.0"),
+    TEST("100.111"),
+    TEST("-1.0"),
+    TEST("-100.111"),
+
+    TEST("[]"),
+    TEST("[1, 2, 3]"),
+    TEST("{}"),
+    TEST("{\"key\":5}"),
+    TEST("{\"key1\":5,\"key2\":3}"),
+
+    TEST("\"\""),
+    TEST("\"\\f\""),
+    TEST("\"\\t\""),
+    TEST("\"\\n\""),
+    TEST("\"\\b\""),
+    TEST("\"\\r\""),
+    TEST("\"\\\\\""),
+    TEST("\"\\uFFFF\""),
+    TEST("\"\\u0010\\uFFFF\""),
+
+};
+
+#undef TEST
+
+_Bool json_strings_match(const char *A, const char *B)
+{
+    int Ai = 0, Bi = 0;
+
+    do
+    {
+        // TODO: Only ignore spaces if they're
+        //       not inside strings.
+        while(isspace(A[Ai])) 
+            Ai += 1;
+        
+        while(isspace(B[Bi])) 
+            Bi += 1;
+
+        if(A[Ai] != B[Bi]) return 0;
+        Ai += 1;
+        Bi += 1;
+    } 
+    while(A[Ai] != '\0');
+    return 1;
+}
+
+int main()
+{
+    char pool[65536];
+    xj_error  error;
+
+    int total = sizeof(tests) / sizeof(tests[0]);
+    int passed = 0;
+
+    for(int i = 0; i < total; i += 1)
+    {
+        xj_alloc *alloc = xj_alloc_using(pool, sizeof(pool), 0, NULL);
+        assert(alloc != NULL);
+
+        xj_value *val = xj_decode(tests[i].src, -1, alloc, &error);
+
+        if(val == NULL)
+        {
+            fprintf(stderr, "Failed to parse (%s)\n", error.message);
+            return 1;
+        }
+        
+        int size;
+        char *serialized = xj_encode(val, &size);
+        assert(serialized != NULL);
+
+        if(json_strings_match(serialized, tests[i].src))
+        {
+            passed += 1;
+        }
+        else
+        {
+            fprintf(stderr, "Failed! Expected:\n");
+            fprintf(stderr, "  %s\n", tests[i].src);
+            fprintf(stderr, "but got:\n");
+            fprintf(stderr, "  %s\n", serialized);
+        }
+
+        free(serialized);
+    }
+
+    fprintf(stdout, "passed: %d, failed: %d, total: %d\n", passed, total - passed, total);
+    return 0;
+}