#include "config.h"
#include "cunit/cyrunit.h"
#include "xmalloc.h"
#include "util.h"
#include "hash.h"
#include "imap/jmap_util.h"

static void test_patchobject_create(void)
{
#define TESTCASE(src, dst, want) \
    { \
        json_t *jsrc = json_loads(src, JSON_DECODE_ANY, NULL); \
        json_t *jdst = json_loads(dst, JSON_DECODE_ANY, NULL); \
        \
        json_t *jwant = json_loads(want, JSON_DECODE_ANY, NULL); \
        json_t *jdiff = jmap_patchobject_create(jsrc, jdst); \
        CU_ASSERT_PTR_NOT_NULL(jdiff); \
        \
        char *swant = json_dumps(jwant, JSON_SORT_KEYS|JSON_ENCODE_ANY); \
        char *sdiff = json_dumps(jdiff, JSON_SORT_KEYS|JSON_ENCODE_ANY); \
        CU_ASSERT_STRING_EQUAL(swant, sdiff); \
        \
        free(sdiff); \
        free(swant); \
        json_decref(jdiff); \
        json_decref(jwant); \
        json_decref(jdst); \
        json_decref(jsrc); \
    }

    const char *src, *dst, *want;

    /* Remove one property at top-level */
    src = "{"
    "  \"a\": 1,"
    "  \"b\": 1"
    "}";
    dst = "{"
    "  \"a\": 1"
    "}";
    want = "{"
    "  \"b\": null"
    "}";
    TESTCASE(src, dst, want);

    /* Add one property at top-level */
    src = "{"
    "  \"a\": 1"
    "}";
    dst = "{"
    "  \"a\": 1,"
    "  \"b\": 1"
    "}";
    want = "{"
    "  \"b\": 1"
    "}";
    TESTCASE(src, dst, want);

    /* Replace one scalar property at top-level with another */
    src = "{"
    "  \"a\": 1"
    "}";
    dst = "{"
    "  \"a\": 2"
    "}";
    want = "{"
    "  \"a\": 2"
    "}";
    TESTCASE(src, dst, want);

    /* Replace one object property at top-level with a scalar */
    src = "{"
    "  \"a\": {"
    "    \"b\": 1"
    "  }"
    "}";
    dst = "{"
    "  \"a\": 2"
    "}";
    want = "{"
    "  \"a\": 2"
    "}";
    TESTCASE(src, dst, want);

    /* Replace one scalar property at top-level with an object */
    src = "{"
    "  \"a\": {"
    "    \"b\": 1"
    "  }"
    "}";
    dst = "{"
    "  \"a\": 2"
    "}";
    want = "{"
    "  \"a\": 2"
    "}";
    TESTCASE(src, dst, want);

    /* Add a nested property */
    src = "{"
    "  \"a\": {"
    "    \"b\": 1"
    "  }"
    "}";
    dst = "{"
    "  \"a\": {"
    "    \"b\": 1,"
    "    \"c\": 2"
    "  }"
    "}";
    want = "{"
    "  \"a/c\": 2"
    "}";
    TESTCASE(src, dst, want);

    /* Remove a nested property */
    src = "{"
    "  \"a\": {"
    "    \"b\": 1,"
    "    \"c\": 2"
    "  }"
    "}";
    dst = "{"
    "  \"a\": {"
    "    \"b\": 1"
    "  }"
    "}";
    want = "{"
    "  \"a/c\": null"
    "}";
    TESTCASE(src, dst, want);


#undef TESTCASE
}

/* vim: set ft=c: */