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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stddef.h> |
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#include <string.h> |
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#include <assert.h> |
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#include "json.h" |
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#include "json_tokener.h" |
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static void test_basic_parse(void); |
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static void test_verbose_parse(void); |
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static void test_incremental_parse(void); |
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int main(int argc, char **argv) |
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{ |
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MC_SET_DEBUG(1); |
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test_basic_parse(); |
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printf("==================================\n"); |
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test_verbose_parse(); |
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printf("==================================\n"); |
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test_incremental_parse(); |
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printf("==================================\n"); |
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} |
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static void test_basic_parse() |
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{ |
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json_object *new_obj; |
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new_obj = json_tokener_parse("\"\003\""); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("/* hello */\"foo\""); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("// hello\n\"foo\""); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("\"\\u0041\\u0042\\u0043\""); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("null"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("True"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("12"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("12.3"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("[\"\\n\"]"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("[\"\\nabc\\n\"]"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("[null]"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("[]"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("[false]"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("[\"abc\",null,\"def\",12]"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("{}"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("{ \"foo\": \"bar\" }"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("{ \"foo\": \"bar\", \"baz\": null, \"bool0\": true }"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("{ \"foo\": [null, \"foo\"] }"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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new_obj = json_tokener_parse("{ \"abc\": 12, \"foo\": \"bar\", \"bool0\": false, \"bool1\": true, \"arr\": [ 1, 2, 3, null, 5 ] }"); |
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printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj)); |
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json_object_put(new_obj); |
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} |
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static void test_verbose_parse() |
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{ |
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json_object *new_obj; |
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enum json_tokener_error error = json_tokener_success; |
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new_obj = json_tokener_parse_verbose("{ foo }", &error); |
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assert (error == json_tokener_error_parse_object_key_name); |
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assert (new_obj == NULL); |
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new_obj = json_tokener_parse("{ foo }"); |
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assert (new_obj == NULL); |
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new_obj = json_tokener_parse("foo"); |
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assert (new_obj == NULL); |
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new_obj = json_tokener_parse_verbose("foo", &error); |
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assert (new_obj == NULL); |
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/* b/c the string starts with 'f' parsing return a boolean error */ |
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assert (error == json_tokener_error_parse_boolean); |
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printf("json_tokener_parse_versbose() OK\n"); |
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} |
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struct incremental_step { |
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const char *string_to_parse; |
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int length; |
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int char_offset; |
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enum json_tokener_error expected_error; |
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int reset_tokener; |
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} incremental_steps[] = { |
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/* Check that full json messages can be parsed, both w/ and w/o a reset */ |
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{ "{ \"foo\": 123 }", -1, -1, json_tokener_success, 0 }, |
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{ "{ \"foo\": 456 }", -1, -1, json_tokener_success, 1 }, |
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{ "{ \"foo\": 789 }", -1, -1, json_tokener_success, 1 }, |
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/* Check a basic incremental parse */ |
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{ "{ \"foo", -1, -1, json_tokener_continue, 0 }, |
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{ "\": {\"bar", -1, -1, json_tokener_continue, 0 }, |
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{ "\":13}}", -1, -1, json_tokener_success, 1 }, |
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/* Check that json_tokener_reset actually resets */ |
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{ "{ \"foo", -1, -1, json_tokener_continue, 1 }, |
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{ ": \"bar\"}", -1, 0, json_tokener_error_parse_unexpected, 1 }, |
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/* Check incremental parsing with trailing characters */ |
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{ "{ \"foo", -1, -1, json_tokener_continue, 0 }, |
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{ "\": {\"bar", -1, -1, json_tokener_continue, 0 }, |
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{ "\":13}}XXXX", 10, 6, json_tokener_success, 0 }, |
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{ "XXXX", 4, 0, json_tokener_error_parse_unexpected, 1 }, |
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/* Check that trailing characters can change w/o a reset */ |
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{ "{\"x\": 123 }\"X\"", -1, 11, json_tokener_success, 0 }, |
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{ "\"Y\"", -1, -1, json_tokener_success, 1 }, |
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/* To stop parsing a number we need to reach a non-digit, e.g. a \0 */ |
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{ "1", 1, 1, json_tokener_continue, 0 }, |
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{ "2", 2, 1, json_tokener_success, 0 }, |
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/* Strings have a well defined end point, so we can stop at the quote */ |
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{ "\"blue\"", -1, -1, json_tokener_success, 0 }, |
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{ "[1,2,3]", -1, -1, json_tokener_success, 0 }, |
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/* This behaviour doesn't entirely follow the json spec, but until we have |
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a way to specify how strict to be we follow Postel's Law and be liberal |
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in what we accept (up to a point). */ |
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{ "[1,2,3,]", -1, -1, json_tokener_success, 0 }, |
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{ "[1,2,,3,]", -1, 5, json_tokener_error_parse_unexpected, 0 }, |
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{ NULL, json_tokener_success }, |
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}; |
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static void test_incremental_parse() |
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{ |
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json_object *new_obj; |
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enum json_tokener_error jerr; |
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json_tokener *tok; |
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const char *string_to_parse; |
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int ii; |
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int num_ok, num_error; |
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num_ok = 0; |
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num_error = 0; |
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printf("Starting incremental tests.\n"); |
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string_to_parse = "{ \"foo"; /* } */ |
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printf("json_tokener_parse(%s) ... ", string_to_parse); |
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new_obj = json_tokener_parse(string_to_parse); |
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if (new_obj == NULL) printf("got error as expected\n"); |
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/* test incremental parsing in various forms */ |
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tok = json_tokener_new(); |
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for (ii = 0; incremental_steps[ii].string_to_parse != NULL; ii++) |
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{ |
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int this_step_ok = 0; |
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struct incremental_step *step = &incremental_steps[ii]; |
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int length = step->length; |
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int expected_char_offset = step->char_offset; |
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if (length == -1) |
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length = strlen(step->string_to_parse); |
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if (expected_char_offset == -1) |
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expected_char_offset = length; |
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printf("json_tokener_parse_ex(tok, %-12s, %3d) ... ", |
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step->string_to_parse, length); |
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new_obj = json_tokener_parse_ex(tok, step->string_to_parse, length); |
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jerr = json_tokener_get_error(tok); |
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if (step->expected_error != json_tokener_success) |
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{ |
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if (new_obj != NULL) |
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printf("ERROR: invalid object returned: %s\n", |
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json_object_to_json_string(new_obj)); |
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else if (jerr != step->expected_error) |
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printf("ERROR: got wrong error: %s\n", |
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json_tokener_error_desc(jerr)); |
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else if (tok->char_offset != expected_char_offset) |
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printf("ERROR: wrong char_offset %d != expected %d\n", |
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tok->char_offset, |
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expected_char_offset); |
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else |
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{ |
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printf("OK: got correct error: %s\n", json_tokener_error_desc(jerr)); |
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this_step_ok = 1; |
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} |
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} |
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else |
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{ |
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if (new_obj == NULL) |
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printf("ERROR: expected valid object, instead: %s\n", |
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json_tokener_error_desc(jerr)); |
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else if (tok->char_offset != expected_char_offset) |
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printf("ERROR: wrong char_offset %d != expected %d\n", |
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tok->char_offset, |
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expected_char_offset); |
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else |
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{ |
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printf("OK: got object of type [%s]: %s\n", |
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json_type_to_name(json_object_get_type(new_obj)), |
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json_object_to_json_string(new_obj)); |
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this_step_ok = 1; |
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} |
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} |
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if (new_obj) |
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json_object_put(new_obj); |
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if (step->reset_tokener) |
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json_tokener_reset(tok); |
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if (this_step_ok) |
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num_ok++; |
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else |
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num_error++; |
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} |
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json_tokener_free(tok); |
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printf("End Incremental Tests OK=%d ERROR=%d\n", num_ok, num_error); |
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return; |
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} |