pipewire/test/test-spa-json.c

/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2020 Wim Taymans <wim.taymans@gmail.com> */
/* SPDX-License-Identifier: MIT */

#include <locale.h>

#include "pwtest.h"

#include <spa/utils/defs.h>
#include <spa/utils/json.h>
#include <spa/utils/string.h>

PWTEST(json_abi)
{
#if defined(__x86_64__) && defined(__LP64__)
	pwtest_int_eq(sizeof(struct spa_json), 32U);
	return PWTEST_PASS;
#else
	fprintf(stderr, "%zd\n", sizeof(struct spa_json));
	return PWTEST_SKIP;
#endif
}

#define TYPE_OBJECT	0
#define TYPE_ARRAY	1
#define TYPE_STRING	2
#define TYPE_BOOL	3
#define TYPE_NULL	4
#define TYPE_TRUE	5
#define TYPE_FALSE	6
#define TYPE_FLOAT	7
#define TYPE_INT	8

static void check_type(int type, const char *value, int len)
{
	pwtest_bool_eq(spa_json_is_object(value, len), (type == TYPE_OBJECT));
	pwtest_bool_eq(spa_json_is_array(value, len), (type == TYPE_ARRAY));
	pwtest_bool_eq(spa_json_is_string(value, len), (type == TYPE_STRING));
	pwtest_bool_eq(spa_json_is_bool(value, len),
			(type == TYPE_BOOL || type == TYPE_TRUE || type == TYPE_FALSE));
	pwtest_bool_eq(spa_json_is_null(value, len), (type == TYPE_NULL));
	if (type == TYPE_BOOL) {
		pwtest_bool_true(spa_json_is_true(value, len) || spa_json_is_false(value, len));
	} else {
		pwtest_bool_eq(spa_json_is_true(value, len), type == TYPE_TRUE);
		pwtest_bool_eq(spa_json_is_false(value, len), type == TYPE_FALSE);
	}

	switch (type) {
	case TYPE_FLOAT:
		pwtest_bool_true(spa_json_is_float(value, len));
		break;
	case TYPE_INT:
		pwtest_bool_true(spa_json_is_int(value, len));
		break;
	default:
		pwtest_bool_false(spa_json_is_float(value, len));
		pwtest_bool_false(spa_json_is_int(value, len));
		break;
	}
}

static void expect_type(struct spa_json *it, int type)
{
	const char *value;
	int len;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	check_type(type, value, len);
}

static void expect_end(struct spa_json *it)
{
	const char *value;
	struct spa_json it2;

	pwtest_int_eq(spa_json_next(it, &value), 0);

	/* end is idempotent */
	memcpy(&it2, it, sizeof(*it));
	pwtest_int_eq(spa_json_next(it, &value), 0);
	pwtest_int_eq(memcmp(&it2, it, sizeof(*it)), 0);
}

static void expect_parse_error(struct spa_json *it, const char *str, int line, int col)
{
	const char *value;
	struct spa_json it2;
	int linepos, colpos;

	pwtest_int_eq(spa_json_next(it, &value), -1);
	pwtest_bool_true(spa_json_get_error(it, str, &linepos, &colpos));
	pwtest_int_eq(linepos, line);
	pwtest_int_eq(colpos, col);

	/* parse error is idempotent also for parents */
	while (it) {
		memcpy(&it2, it, sizeof(*it));
		pwtest_int_eq(spa_json_next(it, &value), -1);
		pwtest_int_eq(memcmp(&it2, it, sizeof(*it)), 0);
		it = it->parent;
	}
}

static void expect_array(struct spa_json *it, struct spa_json *sub)
{
	pwtest_int_eq(spa_json_enter_array(it, sub), 1);
}

static void expect_object(struct spa_json *it, struct spa_json *sub)
{
	pwtest_int_eq(spa_json_enter_object(it, sub), 1);
}

static void expect_string(struct spa_json *it, const char *str)
{
	const char *value;
	int len;
	char *s;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	check_type(TYPE_STRING, value, len);
	s = alloca(len+1);
	pwtest_int_eq(spa_json_parse_stringn(value, len, s, len+1), 1);
	pwtest_str_eq(s, str);
}

static void expect_string_or_bare(struct spa_json *it, const char *str)
{
	const char *value;
	int len;
	char *s;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	s = alloca(len+1);
	pwtest_int_eq(spa_json_parse_stringn(value, len, s, len+1), 1);
	pwtest_str_eq(s, str);
}

static void expect_float(struct spa_json *it, float val)
{
	const char *value;
	int len;
	float f = 0.0f;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	check_type(TYPE_FLOAT, value, len);
	pwtest_int_gt(spa_json_parse_float(value, len, &f), 0);
	pwtest_double_eq(f, val);
}

static void expect_int(struct spa_json *it, int val)
{
	const char *value;
	int len;
	int f = 0;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	check_type(TYPE_INT, value, len);
	pwtest_int_gt(spa_json_parse_int(value, len, &f), 0);
	pwtest_int_eq(f, val);
}

static void expect_bool(struct spa_json *it, bool val)
{
	const char *value;
	int len;
	bool f = false;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	check_type(TYPE_BOOL, value, len);
	check_type(val ? TYPE_TRUE : TYPE_FALSE, value, len);
	pwtest_int_gt(spa_json_parse_bool(value, len, &f), 0);
	pwtest_int_eq(f, val);
}

static void expect_null(struct spa_json *it)
{
	const char *value;
	int len;
	pwtest_int_gt((len = spa_json_next(it, &value)), 0);
	check_type(TYPE_NULL, value, len);
}

PWTEST(json_parse)
{
	char buf[1024];
	int i;
	struct spa_json it[5];
	const char *json = " { "
			"\"foo\": \"bar\", # comment\n"
			"\"foo\\\"  \":   true,       "
			"\"foo \\n\\r\\t\": false,"
			"  \"  arr\": [ true, false, null, 5, 5.7, \"str]\"],"
			"\"foo 2\":     null,"
			"\"foo 3\": 1,"
			"  \"obj\": { \"ba } z\": false, \"empty\": [], \"foo\": { }, \"1.9\", 1.9 },"
			"\"foo 4\"   : 1.8,   "
			"\"foo 5\": -1.8  , "
			"\"foo 6\":   +2.8   ,"
			" } ", *value;

	spa_json_init(&it[0], json, strlen(json));

	expect_type(&it[0], TYPE_OBJECT);
	spa_json_enter(&it[0], &it[1]);
	expect_string(&it[1], "foo");
	expect_string(&it[1], "bar");
	expect_string(&it[1], "foo\"  ");
	expect_type(&it[1], TYPE_TRUE);
	expect_string(&it[1], "foo \n\r\t");
	expect_type(&it[1], TYPE_FALSE);
	expect_string(&it[1], "  arr");
	expect_type(&it[1], TYPE_ARRAY);
	spa_json_enter(&it[1], &it[2]);
	expect_string(&it[1], "foo 2");
	expect_type(&it[1], TYPE_NULL);
	expect_string(&it[1], "foo 3");
	expect_float(&it[1], 1.f);
	expect_string(&it[1], "obj");
	expect_type(&it[1], TYPE_OBJECT);
	spa_json_enter(&it[1], &it[3]);
	expect_string(&it[1], "foo 4");
	expect_float(&it[1], 1.8f);
	expect_string(&it[1], "foo 5");
	expect_float(&it[1], -1.8f);
	expect_string(&it[1], "foo 6");
	expect_float(&it[1], +2.8f);
	expect_end(&it[1]);
	expect_end(&it[0]);
	/* in the array */
	expect_type(&it[2], TYPE_TRUE);
	expect_type(&it[2], TYPE_FALSE);
	expect_type(&it[2], TYPE_NULL);
	expect_float(&it[2], 5.f);
	expect_float(&it[2], 5.7f);
	expect_string(&it[2], "str]");
	/* in the object */
	expect_string(&it[3], "ba } z");
	expect_type(&it[3], TYPE_FALSE);
	expect_string(&it[3], "empty");
	expect_type(&it[3], TYPE_ARRAY);
	spa_json_enter(&it[3], &it[4]);
	pwtest_int_eq(spa_json_next(&it[4], &value), 0);
	expect_string(&it[3], "foo");
	expect_type(&it[3], TYPE_OBJECT);
	spa_json_enter(&it[3], &it[4]);
	expect_string(&it[3], "1.9");
	expect_float(&it[3], 1.9f);

	expect_end(&it[3]);
	expect_end(&it[2]);

	pwtest_bool_false(spa_json_get_error(&it[0], NULL, NULL, NULL));
	pwtest_bool_false(spa_json_get_error(&it[1], NULL, NULL, NULL));
	pwtest_bool_false(spa_json_get_error(&it[2], NULL, NULL, NULL));
	pwtest_bool_false(spa_json_get_error(&it[3], NULL, NULL, NULL));

	json = "section={\"key\":value}, section2=[item1,item2]";

	spa_json_init(&it[0], json, strlen(json));
	expect_string_or_bare(&it[0], "section");
	expect_object(&it[0], &it[1]);
	expect_string_or_bare(&it[0], "section2");
	expect_array(&it[0], &it[1]);
	expect_end(&it[0]);

	spa_json_init(&it[0], json, strlen(json));
	expect_string_or_bare(&it[0], "section");
	expect_object(&it[0], &it[1]);
	expect_string(&it[1], "key");
	expect_string_or_bare(&it[1], "value");
	expect_string_or_bare(&it[0], "section2");
	expect_array(&it[0], &it[1]);
	expect_string_or_bare(&it[1], "item1");
	expect_string_or_bare(&it[1], "item2");
	expect_end(&it[0]);

	/* 2-byte utf8 */
	json = "\"\xc3\xa4\", \"\xc3\xa4\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_string(&it[0], "\xc3\xa4");
	expect_string(&it[0], "\xc3\xa4");
	expect_end(&it[0]);

	/* 3-byte utf8 */
	json = "\"\xe6\xad\xa3\", \"\xe6\xad\xa3\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_string(&it[0], "\xe6\xad\xa3");
	expect_string(&it[0], "\xe6\xad\xa3");
	expect_end(&it[0]);

	/* 4-byte utf8 */
	json = "\"\xf0\x92\x80\x80\", \"\xf0\x92\x80\x80\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_string(&it[0], "\xf0\x92\x80\x80");
	expect_string(&it[0], "\xf0\x92\x80\x80");
	expect_end(&it[0]);

	/* run-in comment in bare */
	json = "foo#comment";
	spa_json_init(&it[0], json, strlen(json));
	expect_string_or_bare(&it[0], "foo");
	expect_end(&it[0]);

	/* end of parsing idempotent */
	json = "{}";
	spa_json_init(&it[0], json, strlen(json));
	expect_object(&it[0], &it[1]);
	expect_end(&it[0]);
	expect_end(&it[0]);

	/* overflowing parser nesting stack is not an error */
	for (i = 0; i < 256; ++i)
		buf[i] = '[';
	for (; i < 512; ++i)
		buf[i] = ']';
	buf[i++] = '\0';

	spa_json_init(&it[0], buf, strlen(buf));
	pwtest_int_eq(spa_json_next(&it[0], &value), 1);
	expect_end(&it[0]);

	/* non-null terminated strings OK */
	json = "1.234";
	spa_json_init(&it[0], json, 4);
	expect_float(&it[0], 1.23);
	expect_end(&it[0]);

	json = "1234";
	spa_json_init(&it[0], json, 3);
	expect_int(&it[0], 123);
	expect_end(&it[0]);

	json = "truey";
	spa_json_init(&it[0], json, 4);
	expect_bool(&it[0], true);
	expect_end(&it[0]);

	json = "falsey";
	spa_json_init(&it[0], json, 5);
	expect_bool(&it[0], false);
	expect_end(&it[0]);

	json = "nully";
	spa_json_init(&it[0], json, 4);
	expect_null(&it[0]);
	expect_end(&it[0]);

	json = "{}y{]";
	spa_json_init(&it[0], json, 2);
	expect_object(&it[0], &it[1]);
	expect_end(&it[0]);

	json = "[]y{]";
	spa_json_init(&it[0], json, 2);
	expect_array(&it[0], &it[1]);
	expect_end(&it[0]);

	json = "helloy";
	spa_json_init(&it[0], json, 5);
	expect_string_or_bare(&it[0], "hello");
	expect_end(&it[0]);

	json = "\"hello\"y";
	spa_json_init(&it[0], json, 7);
	expect_string(&it[0], "hello");
	expect_end(&it[0]);

	return PWTEST_PASS;
}

PWTEST(json_parse_fail)
{
	char buf[1024];
	struct spa_json it[5];
	const char *json, *value;
	int i;

	/* = in array */
	json = "[ foo = bar ]";
	spa_json_init(&it[0], json, strlen(json));
	expect_array(&it[0], &it[1]);
	expect_string_or_bare(&it[1], "foo");
	expect_parse_error(&it[1], json, 1, 7);
	expect_parse_error(&it[1], json, 1, 7);  /* parse error is idempotent */
	expect_parse_error(&it[0], json, 1, 7);  /* parse error visible in parent */

	/* : in array */
	json = "[ foo, bar\n : quux ]";
	spa_json_init(&it[0], json, strlen(json));
	expect_array(&it[0], &it[1]);
	expect_string_or_bare(&it[1], "foo");
	expect_string_or_bare(&it[1], "bar");
	expect_parse_error(&it[1], json, 2, 2);

	/* missing ] */
	json = "[ foo, bar";
	spa_json_init(&it[0], json, strlen(json));
	pwtest_int_eq(spa_json_next(&it[0], &value), 1);
	expect_parse_error(&it[0], json, 1, 11);

	/* spurious ] */
	json = "foo, bar ]";
	spa_json_init(&it[0], json, strlen(json));
	pwtest_int_eq(spa_json_next(&it[0], &value), 3);
	pwtest_int_eq(spa_json_next(&it[0], &value), 3);
	expect_parse_error(&it[0], json, 1, 10);

	/* spurious } */
	json = "{ foo, bar } }";
	spa_json_init(&it[0], json, strlen(json));
	expect_object(&it[0], &it[1]);
	expect_parse_error(&it[0], json, 1, 14);

	/* bad nesting */
	json = "{ {[{[{[{[{[{[{[{[{[{[{[{[ ]}]}]}]}]}]}]}]}]}]}]}]} ]";
	spa_json_init(&it[0], json, strlen(json));
	pwtest_int_eq(spa_json_next(&it[0], &value), 1);
	expect_parse_error(&it[0], json, 1, strlen(json));

	/* bad nesting */
	json = "[ {[{[{[{[{[{[{[{[{[{[{[{[ ]}]}]}]}]}]}]}]}]}]}]}]} }";
	spa_json_init(&it[0], json, strlen(json));
	pwtest_int_eq(spa_json_next(&it[0], &value), 1);
	expect_parse_error(&it[0], json, 1, strlen(json));

	/* unclosed string */
	json = "\"foo";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 5);

	/* unclosed string */
	json = "foo\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_string_or_bare(&it[0], "foo");
	expect_parse_error(&it[0], json, 1, 5);

	/* unclosed string */
	json = "foo\"bar";
	spa_json_init(&it[0], json, strlen(json));
	expect_string_or_bare(&it[0], "foo");
	expect_parse_error(&it[0], json, 1, 8);

	/* unclosed escape */
	json = "\"\\";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 3);

	/* bare escape */
	json = "foo\\n";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 4);

	/* bare escape */
	json = "\\nfoo";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 1);

	/* bad nesting in subparser */
	json = "{[]";
	spa_json_init(&it[0], json, strlen(json));
	expect_object(&it[0], &it[1]);
	expect_array(&it[1], &it[2]);
	expect_parse_error(&it[1], json, 1, 4);

	/* entered parser assumes nesting */
	json = "[]";
	spa_json_init(&it[0], json, strlen(json));
	spa_json_enter(&it[0], &it[1]);
	expect_array(&it[1], &it[2]);
	expect_parse_error(&it[1], json, 1, 3);

	/* overflowing parser nesting stack */
	for (i = 0; i < 256; ++i)
		buf[i] = '[';
	for (; i < 511; ++i)
		buf[i] = ']';
	buf[i++] = '}';
	buf[i++] = '\0';

	spa_json_init(&it[0], buf, strlen(buf));
	pwtest_int_eq(spa_json_next(&it[0], &value), 1);
	expect_parse_error(&it[0], buf, 1, strlen(buf));

	/* bad utf8 */
	json = "\"\xc0\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 3);

	json = "\"\xe6\xad\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 4);

	json = "\"\xf0\x92\x80\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 5);

	/* bad string */
	json = "\"\x01\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 2);

	json = "\"\x0f\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 2);

	/* bad escape */
	json = "\"\\z\"";
	spa_json_init(&it[0], json, strlen(json));
	expect_parse_error(&it[0], json, 1, 3);

	return PWTEST_PASS;
}

PWTEST(json_encode)
{
	char dst[128];
	char dst4[4];
	char dst6[6];
	char result[1024];
	pwtest_int_eq(spa_json_encode_string(dst, sizeof(dst), "test"), 6);
	pwtest_str_eq(dst, "\"test\"");
	pwtest_int_eq(spa_json_encode_string(dst4, sizeof(dst4), "test"), 6);
	pwtest_int_eq(strncmp(dst4, "\"tes", 4), 0);
	pwtest_int_eq(spa_json_encode_string(dst6, sizeof(dst6), "test"), 6);
	pwtest_int_eq(strncmp(dst6, "\"test\"", 6), 0);
	pwtest_int_eq(spa_json_encode_string(dst, sizeof(dst), "test\"\n\r \t\b\f\'"), 20);
	pwtest_str_eq(dst, "\"test\\\"\\n\\r \\t\\b\\f'\"");
	pwtest_int_eq(spa_json_encode_string(dst, sizeof(dst), "\x04\x05\x1f\x20\x01\x7f\x90"), 29);
	pwtest_str_eq(dst, "\"\\u0004\\u0005\\u001f \\u0001\x7f\x90\"");
	pwtest_int_eq(spa_json_parse_stringn(dst, sizeof(dst), result, sizeof(result)), 1);
	pwtest_str_eq(result, "\x04\x05\x1f\x20\x01\x7f\x90");
	strcpy(dst, "\"\\u03b2a\"");
	pwtest_int_eq(spa_json_parse_stringn(dst, sizeof(dst), result, sizeof(result)), 1);
	pwtest_str_eq(result, "\316\262a");
	strcpy(dst, "\"\\u 03b2a \"");
	pwtest_int_eq(spa_json_parse_stringn(dst, sizeof(dst), result, sizeof(result)), 1);
	pwtest_str_eq(result, "u 03b2a ");

	return PWTEST_PASS;
}

static void test_array(const char *str, const char * const vals[])
{
	struct spa_json it[2];
	char val[256];
	int i;

	spa_json_init(&it[0], str, strlen(str));
	if (spa_json_enter_array(&it[0], &it[1]) <= 0)
		spa_json_init(&it[1], str, strlen(str));
	for (i = 0; vals[i]; i++) {
		pwtest_int_gt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
		pwtest_str_eq(val, vals[i]);
	}
}

PWTEST(json_array)
{
	test_array("FL,FR", (const char *[]){ "FL", "FR", NULL });
	test_array(" FL , FR ", (const char *[]){ "FL", "FR", NULL });
	test_array("[ FL , FR ]", (const char *[]){ "FL", "FR", NULL });
	test_array("[FL FR]", (const char *[]){ "FL", "FR", NULL });
	test_array("FL FR", (const char *[]){ "FL", "FR", NULL });
	test_array("[ FL FR ]", (const char *[]){ "FL", "FR", NULL });

	return PWTEST_PASS;
}

PWTEST(json_overflow)
{
	struct spa_json it[2];
	char val[3];
	const char *str = "[ F, FR, FRC ]";

	spa_json_init(&it[0], str, strlen(str));
	pwtest_int_gt(spa_json_enter_array(&it[0], &it[1]), 0);

	pwtest_int_gt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
	pwtest_str_eq(val, "F");
	pwtest_int_gt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
	pwtest_str_eq(val, "FR");
	pwtest_int_lt(spa_json_get_string(&it[1], val, sizeof(val)), 0);

	return PWTEST_PASS;
}

PWTEST(json_float)
{
	struct {
		const char *str;
		double val;
	} val[] = {
		{ "0.0", 0.0f },
		{ ".0", 0.0f },
		{ ".0E0", 0.0E0f },
		{ "1.0", 1.0f },
		{ "1.011", 1.011f },
		{ "176543.123456", 176543.123456f },
		{ "-176543.123456", -176543.123456f },
		{ "-5678.5432E10", -5678.5432E10f },
		{ "-5678.5432e10", -5678.5432e10f },
		{ "-5678.5432e-10", -5678.5432e-10f },
		{ "5678.5432e+10", 5678.5432e+10f },
		{ "00.000100", 00.000100f },
		{ "-0.000100", -0.000100f },
	};
	float v;
	unsigned i;
	char buf1[128], buf2[128], *b1 = buf1, *b2 = buf2;

	pwtest_int_eq(spa_json_parse_float("", 0, &v), 0);

	setlocale(LC_NUMERIC, "C");
	for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
		pwtest_int_gt(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), 0);
		pwtest_double_eq(v, val[i].val);
	}
	setlocale(LC_NUMERIC, "fr_FR");
	for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
		pwtest_int_gt(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), 0);
		pwtest_double_eq(v, val[i].val);
	}
	pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), 0.0f), b1);
	pwtest_str_eq(buf1, "0.000000");
	pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), NAN), b1);
	pwtest_str_eq(buf1, "0.000000");
	pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), INFINITY), b1);
	pwtest_ptr_eq(spa_json_format_float(buf2, sizeof(buf2), FLT_MAX), b2);
	pwtest_str_eq(buf1, buf2);
	pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), -INFINITY), b1);
	pwtest_ptr_eq(spa_json_format_float(buf2, sizeof(buf2), FLT_MIN), b2);
	pwtest_str_eq(buf1, buf2);

	return PWTEST_PASS;
}

PWTEST(json_float_check)
{
	struct {
		const char *str;
		int res;
	} val[] = {
		{ "0.0", 1 },
		{ ".0", 1 },
		{ "+.0E0", 1 },
		{ "-.0e0", 1 },

		{ "0,0", 0 },
		{ "0.0.5", 0 },
		{ "0x0", 0 },
		{ "0x0.0", 0 },
		{ "E10", 0 },
		{ "e20", 0 },
		{ " 0.0", 0 },
		{ "0.0 ", 0 },
		{ " 0.0 ", 0 },
	};
	unsigned i;
	float v;

	for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
		pwtest_int_eq(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), val[i].res);
	}
	return PWTEST_PASS;
}

PWTEST(json_int)
{
	int v;
	pwtest_int_eq(spa_json_parse_int("", 0, &v), 0);
	return PWTEST_PASS;
}

PWTEST_SUITE(spa_json)
{
	pwtest_add(json_abi, PWTEST_NOARG);
	pwtest_add(json_parse, PWTEST_NOARG);
	pwtest_add(json_parse_fail, PWTEST_NOARG);
	pwtest_add(json_encode, PWTEST_NOARG);
	pwtest_add(json_array, PWTEST_NOARG);
	pwtest_add(json_overflow, PWTEST_NOARG);
	pwtest_add(json_float, PWTEST_NOARG);
	pwtest_add(json_float_check, PWTEST_NOARG);
	pwtest_add(json_int, PWTEST_NOARG);

	return PWTEST_PASS;
}