utests data REFACTOR put repetitive commands into macros
diff --git a/tests/utests/basic/test_json.c b/tests/utests/basic/test_json.c
new file mode 100644
index 0000000..cf47400
--- /dev/null
+++ b/tests/utests/basic/test_json.c
@@ -0,0 +1,483 @@
+/*
+ * @file json.c
+ * @author: Radek Krejci <rkrejci@cesnet.cz>
+ * @brief unit tests for a generic JSON parser
+ *
+ * Copyright (c) 2020 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+#include "context.h"
+#include "in_internal.h"
+#include "json.h"
+#include "utests.h"
+
+static void
+test_general(void **state)
+{
+    struct lyjson_ctx *jsonctx;
+    struct ly_in *in;
+    const char *str;
+
+    /* empty */
+    str = "";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    str = "  \n\t \n";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* constant values */
+    str = "true";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_TRUE, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    str = "false";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_FALSE, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    str = "null";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NULL, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    ly_in_free(in, 0);
+}
+
+static void
+test_number(void **state)
+{
+    struct lyjson_ctx *jsonctx;
+    struct ly_in *in;
+    const char *str;
+
+    /* simple value */
+    str = "11";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("11", jsonctx->value);
+    assert_int_equal(2, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* fraction number */
+    str = "37.7668";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("37.7668", jsonctx->value);
+    assert_int_equal(7, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* negative number */
+    str = "-122.3959";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("-122.3959", jsonctx->value);
+    assert_int_equal(9, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* exp number */
+    str = "1E10";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("10000000000", jsonctx->value);
+    assert_int_equal(11, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    str = "15E-1";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("1.5", jsonctx->value);
+    assert_int_equal(3, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    str = "15E-3";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("0.015", jsonctx->value);
+    assert_int_equal(5, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* exp fraction number */
+    str = "1.1e3";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("1100", jsonctx->value);
+    assert_int_equal(4, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* negative exp fraction number */
+    str = "1.1e-3";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("0.0011", jsonctx->value);
+    assert_int_equal(6, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* exp negative fraction number */
+    str = "-0.11e3";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("-110", jsonctx->value);
+    assert_int_equal(4, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* negative exp negative fraction number */
+    str = "-3.14e-3";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_NUMBER, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("-0.00314", jsonctx->value);
+    assert_int_equal(8, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* various invalid inputs */
+    str = "-x";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character in JSON Number value (\"x\").", "Line number 1.");
+
+    str = "  -";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Unexpected end-of-input.", "Line number 1.");
+
+    str = "--1";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character in JSON Number value (\"-\").", "Line number 1.");
+
+    str = "+1";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character sequence \"+1\", expected a JSON value.", "Line number 1.");
+
+    str = "  1.x ";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character in JSON Number value (\"x\").", "Line number 1.");
+
+    str = "1.";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Unexpected end-of-input.", "Line number 1.");
+
+    str = "  1eo ";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character in JSON Number value (\"o\").", "Line number 1.");
+
+    str = "1e";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Unexpected end-of-input.", "Line number 1.");
+
+    ly_in_free(in, 0);
+}
+
+static void
+test_string(void **state)
+{
+    struct lyjson_ctx *jsonctx;
+    struct ly_in *in;
+    const char *str;
+
+    /* simple string */
+    str = "\"hello\"";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_STRING, lyjson_ctx_status(jsonctx, 0));
+    assert_ptr_equal(&str[1], jsonctx->value);
+    assert_int_equal(5, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* 4-byte utf8 character */
+    str = "\"\\t𠜎\"";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_STRING, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("\t𠜎", jsonctx->value);
+    assert_int_equal(5, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* valid escape sequences - note that here it mixes valid JSON string characters (RFC 7159, sec. 7) and
+     * valid characters in YANG string type (RFC 7950, sec. 9.4). Since the latter is a subset of JSON string,
+     * the YANG string type's restrictions apply to the JSON escape sequences */
+    str = "\"\\\" \\\\ \\r \\/ \\n \\t \\u20ac\"";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_STRING, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("\" \\ \r / \n \t €", jsonctx->value);
+    assert_int_equal(15, jsonctx->value_len);
+    assert_int_equal(1, jsonctx->dynamic);
+    lyjson_ctx_free(jsonctx);
+
+    /* backspace and form feed are valid JSON escape sequences, but the control characters they represents are not allowed values for YANG string type */
+    str = "\"\\b\"";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character reference \"\\b\" (0x00000008).", "Line number 1.");
+
+    str = "\"\\f\"";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character reference \"\\f\" (0x0000000c).", "Line number 1.");
+
+    /* unterminated string */
+    str = "\"unterminated string";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Missing quotation-mark at the end of a JSON string.", "Line number 1.");
+
+    /* invalid escape sequence */
+    str = "\"char \\x \"";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character escape sequence \\x.", "Line number 1.");
+
+    /* new line is allowed only as escaped character in JSON */
+    str = "\"\n\"";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character in JSON string \"\n\" (0x0000000a).", "Line number 1.");
+
+    ly_in_free(in, 0);
+}
+
+static void
+test_object(void **state)
+{
+    struct lyjson_ctx *jsonctx;
+    struct ly_in *in;
+    const char *str;
+
+    /* empty */
+    str = "  { }  ";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_OBJECT_EMPTY, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* simple value */
+    str = "{\"name\" : \"Radek\"}";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_OBJECT, lyjson_ctx_status(jsonctx, 0));
+    assert_ptr_equal(&str[2], jsonctx->value);
+    assert_int_equal(4, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("\"Radek\"}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_STRING, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("Radek\"}", jsonctx->value);
+    assert_int_equal(5, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* two values */
+    str = "{\"smart\" : true,\"handsom\":false}";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_OBJECT, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("smart\" : true,\"handsom\":false}", jsonctx->value);
+    assert_int_equal(5, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("true,\"handsom\":false}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_TRUE, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal(",\"handsom\":false}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("handsom\":false}", jsonctx->value);
+    assert_int_equal(7, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("false}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_FALSE, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* inherited objects */
+    str = "{\"person\" : {\"name\":\"Radek\"}}";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_OBJECT, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("person\" : {\"name\":\"Radek\"}}", jsonctx->value);
+    assert_int_equal(6, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("{\"name\":\"Radek\"}}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("name\":\"Radek\"}}", jsonctx->value);
+    assert_int_equal(4, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("\"Radek\"}}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_STRING, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("Radek\"}}", jsonctx->value);
+    assert_int_equal(5, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("}}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("}", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* new line is allowed only as escaped character in JSON */
+    str = "{ unquoted : \"data\"}";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_EVALID, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    CHECK_LOG_CTX("Invalid character sequence \"unquoted : \"data\"}\", expected a JSON object's member.", "Line number 1.");
+
+    ly_in_free(in, 0);
+}
+
+static void
+test_array(void **state)
+{
+    struct lyjson_ctx *jsonctx;
+    struct ly_in *in;
+    const char *str;
+
+    /* empty */
+    str = "  [  ]  ";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_ARRAY_EMPTY, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* simple value */
+    str = "[ null]";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_ARRAY, lyjson_ctx_status(jsonctx, 0));
+    assert_null(jsonctx->value);
+    assert_int_equal(0, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("null]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_NULL, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_ARRAY_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* two values */
+    str = "[{\"a\":null},\"x\"]";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LYJSON_ARRAY, lyjson_ctx_status(jsonctx, 0));
+    assert_null(jsonctx->value);
+    assert_int_equal(0, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("{\"a\":null},\"x\"]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("a\":null},\"x\"]", jsonctx->value);
+    assert_int_equal(1, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("null},\"x\"]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_NULL, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("},\"x\"]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_OBJECT_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal(",\"x\"]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_STRING, lyjson_ctx_status(jsonctx, 0));
+    assert_string_equal("x\"]", jsonctx->value);
+    assert_int_equal(1, jsonctx->value_len);
+    assert_int_equal(0, jsonctx->dynamic);
+    assert_string_equal("]", jsonctx->in->current);
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_ARRAY_CLOSED, lyjson_ctx_status(jsonctx, 0));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_next(jsonctx, NULL));
+    assert_int_equal(LYJSON_END, lyjson_ctx_status(jsonctx, 0));
+    lyjson_ctx_free(jsonctx);
+
+    /* new line is allowed only as escaped character in JSON */
+    str = "[ , null]";
+    assert_non_null(ly_in_memory(in, str));
+    assert_int_equal(LY_SUCCESS, lyjson_ctx_new(UTEST_LYCTX, in, &jsonctx));
+    assert_int_equal(LY_EVALID, lyjson_ctx_next(jsonctx, NULL));
+    CHECK_LOG_CTX("Invalid character sequence \", null]\", expected a JSON value.", "Line number 1.");
+    lyjson_ctx_free(jsonctx);
+
+    ly_in_free(in, 0);
+}
+
+int
+main(void)
+{
+    const struct CMUnitTest tests[] = {
+        UTEST(test_general),
+        UTEST(test_number),
+        UTEST(test_string),
+        UTEST(test_object),
+        UTEST(test_array),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}