mirror of
https://gitlab.freedesktop.org/pipewire/pipewire
synced 2024-07-21 10:16:14 +00:00
2b16df4e89
And use this in spa_json_format_float() where we also avoid invalid json floats. Use json float format in some places where we serialize json floats. Add a unit test. See #2223
297 lines
9 KiB
C
297 lines
9 KiB
C
/* Simple Plugin API
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*
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* Copyright © 2020 Wim Taymans <wim.taymans@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <locale.h>
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#include "pwtest.h"
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#include <spa/utils/defs.h>
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#include <spa/utils/json.h>
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#include <spa/utils/string.h>
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PWTEST(json_abi)
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{
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#if defined(__x86_64__) && defined(__LP64__)
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pwtest_int_eq(sizeof(struct spa_json), 32U);
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return PWTEST_PASS;
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#else
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fprintf(stderr, "%zd\n", sizeof(struct spa_json));
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return PWTEST_SKIP;
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#endif
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}
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#define TYPE_OBJECT 0
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#define TYPE_ARRAY 1
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#define TYPE_STRING 2
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#define TYPE_BOOL 3
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#define TYPE_NULL 4
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#define TYPE_TRUE 5
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#define TYPE_FALSE 6
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#define TYPE_FLOAT 7
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static void check_type(int type, const char *value, int len)
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{
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pwtest_bool_eq(spa_json_is_object(value, len), (type == TYPE_OBJECT));
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pwtest_bool_eq(spa_json_is_array(value, len), (type == TYPE_ARRAY));
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pwtest_bool_eq(spa_json_is_string(value, len), (type == TYPE_STRING));
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pwtest_bool_eq(spa_json_is_bool(value, len),
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(type == TYPE_BOOL || type == TYPE_TRUE || type == TYPE_FALSE));
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pwtest_bool_eq(spa_json_is_null(value, len), (type == TYPE_NULL));
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pwtest_bool_eq(spa_json_is_true(value, len), (type == TYPE_TRUE || type == TYPE_BOOL));
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pwtest_bool_eq(spa_json_is_false(value, len), (type == TYPE_FALSE || type == TYPE_BOOL));
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pwtest_bool_eq(spa_json_is_float(value, len), (type == TYPE_FLOAT));
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}
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static void expect_type(struct spa_json *it, int type)
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{
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const char *value;
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int len;
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pwtest_int_gt((len = spa_json_next(it, &value)), 0);
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check_type(type, value, len);
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}
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static void expect_string(struct spa_json *it, const char *str)
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{
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const char *value;
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int len;
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char *s;
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pwtest_int_gt((len = spa_json_next(it, &value)), 0);
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check_type(TYPE_STRING, value, len);
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s = alloca(len+1);
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spa_json_parse_stringn(value, len, s, len+1);
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pwtest_str_eq(s, str);
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}
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static void expect_float(struct spa_json *it, float val)
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{
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const char *value;
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int len;
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float f;
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pwtest_int_gt((len = spa_json_next(it, &value)), 0);
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check_type(TYPE_FLOAT, value, len);
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pwtest_int_gt(spa_json_parse_float(value, len, &f), 0);
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pwtest_double_eq(f, val);
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}
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PWTEST(json_parse)
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{
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struct spa_json it[5];
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const char *json = " { "
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"\"foo\": \"bar\","
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"\"foo\\\" \": true, "
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"\"foo \\n\\r\\t\": false,"
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" \" arr\": [ true, false, null, 5, 5.7, \"str]\"],"
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"\"foo 2\": null,"
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"\"foo 3\": 1,"
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" \"obj\": { \"ba } z\": false, \"empty\": [], \"foo\": { }, \"1.9\", 1.9 },"
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"\"foo 4\" : 1.8, "
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"\"foo 5\": -1.8 , "
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"\"foo 6\": +2.8 ,"
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" } ", *value;
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spa_json_init(&it[0], json, strlen(json));
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expect_type(&it[0], TYPE_OBJECT);
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spa_json_enter(&it[0], &it[1]);
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expect_string(&it[1], "foo");
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expect_string(&it[1], "bar");
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expect_string(&it[1], "foo\" ");
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expect_type(&it[1], TYPE_TRUE);
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expect_string(&it[1], "foo \n\r\t");
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expect_type(&it[1], TYPE_FALSE);
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expect_string(&it[1], " arr");
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expect_type(&it[1], TYPE_ARRAY);
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spa_json_enter(&it[1], &it[2]);
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expect_string(&it[1], "foo 2");
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expect_type(&it[1], TYPE_NULL);
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expect_string(&it[1], "foo 3");
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expect_float(&it[1], 1.f);
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expect_string(&it[1], "obj");
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expect_type(&it[1], TYPE_OBJECT);
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spa_json_enter(&it[1], &it[3]);
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expect_string(&it[1], "foo 4");
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expect_float(&it[1], 1.8f);
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expect_string(&it[1], "foo 5");
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expect_float(&it[1], -1.8f);
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expect_string(&it[1], "foo 6");
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expect_float(&it[1], +2.8f);
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/* in the array */
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expect_type(&it[2], TYPE_TRUE);
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expect_type(&it[2], TYPE_FALSE);
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expect_type(&it[2], TYPE_NULL);
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expect_float(&it[2], 5.f);
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expect_float(&it[2], 5.7f);
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expect_string(&it[2], "str]");
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/* in the object */
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expect_string(&it[3], "ba } z");
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expect_type(&it[3], TYPE_FALSE);
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expect_string(&it[3], "empty");
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expect_type(&it[3], TYPE_ARRAY);
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spa_json_enter(&it[3], &it[4]);
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pwtest_int_eq(spa_json_next(&it[4], &value), 0);
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expect_string(&it[3], "foo");
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expect_type(&it[3], TYPE_OBJECT);
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spa_json_enter(&it[3], &it[4]);
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expect_string(&it[3], "1.9");
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expect_float(&it[3], 1.9f);
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return PWTEST_PASS;
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}
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PWTEST(json_encode)
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{
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char dst[128];
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char dst4[4];
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char dst6[6];
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char result[1024];
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pwtest_int_eq(spa_json_encode_string(dst, sizeof(dst), "test"), 6);
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pwtest_str_eq(dst, "\"test\"");
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pwtest_int_eq(spa_json_encode_string(dst4, sizeof(dst4), "test"), 6);
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pwtest_int_eq(strncmp(dst4, "\"tes", 4), 0);
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pwtest_int_eq(spa_json_encode_string(dst6, sizeof(dst6), "test"), 6);
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pwtest_int_eq(strncmp(dst6, "\"test\"", 6), 0);
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pwtest_int_eq(spa_json_encode_string(dst, sizeof(dst), "test\"\n\r \t\b\f\'"), 20);
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pwtest_str_eq(dst, "\"test\\\"\\n\\r \\t\\b\\f'\"");
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pwtest_int_eq(spa_json_encode_string(dst, sizeof(dst), "\x04\x05\x1f\x20\x01\x7f\x90"), 29);
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pwtest_str_eq(dst, "\"\\u0004\\u0005\\u001f \\u0001\x7f\x90\"");
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pwtest_int_eq(spa_json_parse_stringn(dst, sizeof(dst), result, sizeof(result)), 1);
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pwtest_str_eq(result, "\x04\x05\x1f\x20\x01\x7f\x90");
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return PWTEST_PASS;
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}
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static void test_array(char *str, char **vals)
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{
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struct spa_json it[2];
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char val[256];
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int i;
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spa_json_init(&it[0], str, strlen(str));
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if (spa_json_enter_array(&it[0], &it[1]) <= 0)
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spa_json_init(&it[1], str, strlen(str));
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for (i = 0; vals[i]; i++) {
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pwtest_int_gt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
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pwtest_str_eq(val, vals[i]);
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}
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}
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PWTEST(json_array)
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{
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test_array("FL,FR", (char *[]){ "FL", "FR", NULL });
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test_array(" FL , FR ", (char *[]){ "FL", "FR", NULL });
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test_array("[ FL , FR ]", (char *[]){ "FL", "FR", NULL });
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test_array("[FL FR]", (char *[]){ "FL", "FR", NULL });
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test_array("FL FR", (char *[]){ "FL", "FR", NULL });
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test_array("[ FL FR ]", (char *[]){ "FL", "FR", NULL });
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return PWTEST_PASS;
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}
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PWTEST(json_overflow)
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{
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struct spa_json it[2];
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char val[3];
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const char *str = "[ F, FR, FRC ]";
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spa_json_init(&it[0], str, strlen(str));
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pwtest_int_gt(spa_json_enter_array(&it[0], &it[1]), 0);
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pwtest_int_gt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
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pwtest_str_eq(val, "F");
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pwtest_int_gt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
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pwtest_str_eq(val, "FR");
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pwtest_int_lt(spa_json_get_string(&it[1], val, sizeof(val)), 0);
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return PWTEST_PASS;
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}
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PWTEST(json_float)
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{
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struct {
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const char *str;
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double val;
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} val[] = {
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{ "0.0", 0.0f },
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{ ".0", 0.0f },
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{ ".0E0", 0.0E0f },
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{ "1.0", 1.0f },
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{ "1.011", 1.011f },
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{ "176543.123456", 176543.123456f },
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{ "-176543.123456", -176543.123456f },
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{ "-5678.5432E10", -5678.5432E10f },
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{ "-5678.5432e10", -5678.5432e10f },
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{ "-5678.5432e-10", -5678.5432e-10f },
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{ "5678.5432e+10", 5678.5432e+10f },
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{ "00.000100", 00.000100f },
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{ "-0.000100", -0.000100f },
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};
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float v;
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unsigned i;
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char buf1[128], buf2[128], *b1 = buf1, *b2 = buf2;
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pwtest_int_eq(spa_json_parse_float("", 0, &v), 0);
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setlocale(LC_NUMERIC, "C");
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for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
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pwtest_int_gt(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), 0);
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pwtest_double_eq(v, val[i].val);
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}
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setlocale(LC_NUMERIC, "fr_FR");
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for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
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pwtest_int_gt(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), 0);
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pwtest_double_eq(v, val[i].val);
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}
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pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), 0.0f), b1);
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pwtest_str_eq(buf1, "0.000000");
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pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), NAN), b1);
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pwtest_str_eq(buf1, "0.000000");
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pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), INFINITY), b1);
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pwtest_ptr_eq(spa_json_format_float(buf2, sizeof(buf2), FLT_MAX), b2);
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pwtest_str_eq(buf1, buf2);
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pwtest_ptr_eq(spa_json_format_float(buf1, sizeof(buf1), -INFINITY), b1);
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pwtest_ptr_eq(spa_json_format_float(buf2, sizeof(buf2), FLT_MIN), b2);
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pwtest_str_eq(buf1, buf2);
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return PWTEST_PASS;
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}
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PWTEST(json_int)
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{
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int v;
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pwtest_int_eq(spa_json_parse_int("", 0, &v), 0);
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return PWTEST_PASS;
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}
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PWTEST_SUITE(spa_json)
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{
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pwtest_add(json_abi, PWTEST_NOARG);
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pwtest_add(json_parse, PWTEST_NOARG);
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pwtest_add(json_encode, PWTEST_NOARG);
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pwtest_add(json_array, PWTEST_NOARG);
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pwtest_add(json_overflow, PWTEST_NOARG);
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pwtest_add(json_float, PWTEST_NOARG);
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pwtest_add(json_int, PWTEST_NOARG);
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return PWTEST_PASS;
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}
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