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/*
*
* Copyright 2015-2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/gpr/useful.h"
#include "src/core/lib/json/json.h"
#include "test/core/util/test_config.h"
typedef struct testing_pair {
const char* input;
const char* output;
} testing_pair;
static testing_pair testing_pairs[] = {
/* Testing valid parsing. */
/* Testing trivial parses, with de-indentation. */
{" 0 ", "0"},
{" 1 ", "1"},
{" \" \" ", "\" \""},
{" \"a\" ", "\"a\""},
{" true ", "true"},
/* Testing the parser's ability to decode trivial UTF-16. */
{"\"\\u0020\\\\\\u0010\\u000a\\u000D\"", "\" \\\\\\u0010\\n\\r\""},
/* Testing various UTF-8 sequences. */
{"\"ßâñć௵⇒\"", "\"\\u00df\\u00e2\\u00f1\\u0107\\u0bf5\\u21d2\""},
{"\"\\u00df\\u00e2\\u00f1\\u0107\\u0bf5\\u21d2\"",
"\"\\u00df\\u00e2\\u00f1\\u0107\\u0bf5\\u21d2\""},
/* Testing UTF-8 character "𝄞", U+11D1E. */
{"\"\xf0\x9d\x84\x9e\"", "\"\\ud834\\udd1e\""},
{"\"\\ud834\\udd1e\"", "\"\\ud834\\udd1e\""},
{"{\"\\ud834\\udd1e\":0}", "{\"\\ud834\\udd1e\":0}"},
/* Testing nested empty containers. */
{
" [ [ ] , { } , [ ] ] ",
"[[],{},[]]",
},
/* Testing escapes and control chars in key strings. */
{" { \"\\u007f\x7f\\n\\r\\\"\\f\\b\\\\a , b\": 1, \"\": 0 } ",
"{\"\\u007f\\u007f\\n\\r\\\"\\f\\b\\\\a , b\":1,\"\":0}"},
/* Testing the writer's ability to cut off invalid UTF-8 sequences. */
{"\"abc\xf0\x9d\x24\"", "\"abc\""},
{"\"\xff\"", "\"\""},
/* Testing valid number parsing. */
{"[0, 42 , 0.0123, 123.456]", "[0,42,0.0123,123.456]"},
{"[1e4,-53.235e-31, 0.3e+3]", "[1e4,-53.235e-31,0.3e+3]"},
/* Testing keywords parsing. */
{"[true, false, null]", "[true,false,null]"},
/* Testing invalid parsing. */
/* Testing plain invalid things, exercising the state machine. */
{"\\", nullptr},
{"nu ll", nullptr},
{"{\"foo\": bar}", nullptr},
{"{\"foo\": bar\"x\"}", nullptr},
{"fals", nullptr},
{"0,0 ", nullptr},
{"\"foo\",[]", nullptr},
/* Testing unterminated string. */
{"\"\\x", nullptr},
/* Testing invalid UTF-16 number. */
{"\"\\u123x", nullptr},
{"{\"\\u123x", nullptr},
/* Testing imbalanced surrogate pairs. */
{"\"\\ud834f", nullptr},
{"{\"\\ud834f\":0}", nullptr},
{"\"\\ud834\\n", nullptr},
{"{\"\\ud834\\n\":0}", nullptr},
{"\"\\udd1ef", nullptr},
{"{\"\\udd1ef\":0}", nullptr},
{"\"\\ud834\\ud834\"", nullptr},
{"{\"\\ud834\\ud834\"\":0}", nullptr},
{"\"\\ud834\\u1234\"", nullptr},
{"{\"\\ud834\\u1234\"\":0}", nullptr},
{"\"\\ud834]\"", nullptr},
{"{\"\\ud834]\"\":0}", nullptr},
{"\"\\ud834 \"", nullptr},
{"{\"\\ud834 \"\":0}", nullptr},
{"\"\\ud834\\\\\"", nullptr},
{"{\"\\ud834\\\\\"\":0}", nullptr},
/* Testing embedded invalid whitechars. */
{"\"\n\"", nullptr},
{"\"\t\"", nullptr},
/* Testing empty json data. */
{"", nullptr},
/* Testing extra characters after end of parsing. */
{"{},", nullptr},
/* Testing imbalanced containers. */
{"{}}", nullptr},
{"[]]", nullptr},
{"{{}", nullptr},
{"[[]", nullptr},
{"[}", nullptr},
{"{]", nullptr},
/* Testing bad containers. */
{"{x}", nullptr},
{"{x=0,y}", nullptr},
/* Testing trailing comma. */
{"{,}", nullptr},
{"[1,2,3,4,]", nullptr},
{"{\"a\": 1, }", nullptr},
/* Testing after-ending characters. */
{"{}x", nullptr},
/* Testing having a key syntax in an array. */
{"[\"x\":0]", nullptr},
/* Testing invalid numbers. */
{"1.", nullptr},
{"1e", nullptr},
{".12", nullptr},
{"1.x", nullptr},
{"1.12x", nullptr},
{"1ex", nullptr},
{"1e12x", nullptr},
{".12x", nullptr},
{"000", nullptr},
};
static void test_pairs() {
unsigned i;
for (i = 0; i < GPR_ARRAY_SIZE(testing_pairs); i++) {
testing_pair* pair = testing_pairs + i;
char* scratchpad = gpr_strdup(pair->input);
grpc_json* json;
gpr_log(GPR_INFO, "parsing string %i - should %s", i,
pair->output ? "succeed" : "fail");
json = grpc_json_parse_string(scratchpad);
if (pair->output) {
char* output;
GPR_ASSERT(json);
output = grpc_json_dump_to_string(json, 0);
GPR_ASSERT(output);
gpr_log(GPR_INFO, "succeeded with output = %s", output);
GPR_ASSERT(strcmp(output, pair->output) == 0);
grpc_json_destroy(json);
gpr_free(output);
} else {
gpr_log(GPR_INFO, "failed");
GPR_ASSERT(!json);
}
gpr_free(scratchpad);
}
}
static void test_atypical() {
char* scratchpad = gpr_strdup("[[],[],[]]");
grpc_json* json = grpc_json_parse_string(scratchpad);
grpc_json* brother;
GPR_ASSERT(json);
GPR_ASSERT(json->child);
brother = json->child->next;
grpc_json_destroy(json->child);
GPR_ASSERT(json->child == brother);
grpc_json_destroy(json->child->next);
grpc_json_destroy(json);
gpr_free(scratchpad);
}
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
test_pairs();
test_atypical();
gpr_log(GPR_INFO, "json_test success");
return 0;
}
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