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<?php
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/*
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* This file is part of the JSON Lint package.
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*
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* (c) Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use PHPUnit\Framework\TestCase;
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use Seld\JsonLint\JsonParser;
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use Seld\JsonLint\ParsingException;
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use Seld\JsonLint\DuplicateKeyException;
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class JsonParserTest extends TestCase
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{
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protected $json = array(
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'42', '42.3', '0.3', '-42', '-42.3', '-0.3',
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'2e1', '2E1', '-2e1', '-2E1', '2E+2', '2E-2', '-2E+2', '-2E-2',
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'true', 'false', 'null', '""', '[]', '{}', '"string"',
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'["a", "sdfsd"]',
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'{"foo":"bar", "bar":"baz", "":"buz"}',
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'{"":"foo", "_empty_":"bar"}',
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'"\u00c9v\u00e9nement"',
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'"http:\/\/foo.com"',
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'"zo\\\\mg"',
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'{"test":"\u00c9v\u00e9nement"}',
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'["\u00c9v\u00e9nement"]',
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'"foo/bar"',
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'{"test":"http:\/\/foo\\\\zomg"}',
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'["http:\/\/foo\\\\zomg"]',
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'{"":"foo"}',
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'{"a":"b", "b":"c"}',
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'0',
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'""',
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'"\u0022"',
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'"Argument \u0022input\u0022 has an invalid value: ..."',
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'"👻"',
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'"\u1f47d"',
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);
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/**
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* @dataProvider provideValidStrings
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*/
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public function testParsesValidStrings($input)
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{
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$parser = new JsonParser();
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$this->assertEquals(json_decode($input), $parser->parse($input));
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}
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public function provideValidStrings()
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{
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$strings = array();
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foreach ($this->json as $input) {
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$strings[] = array($input);
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}
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return $strings;
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}
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public function testErrorOnTrailingComma()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('{
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"foo":"bar",
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}');
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$this->fail('Invalid trailing comma should be detected');
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} catch (ParsingException $e) {
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$this->assertContains('It appears you have an extra trailing comma', $e->getMessage());
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}
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}
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public function testErrorOnInvalidQuotes()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('{
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"foo": \'bar\',
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}');
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$this->fail('Invalid quotes for string should be detected');
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} catch (ParsingException $e) {
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$this->assertContains('Invalid string, it appears you used single quotes instead of double quotes', $e->getMessage());
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}
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}
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public function testErrorOnUnescapedBackslash()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('{
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"foo": "bar\z",
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}');
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$this->fail('Invalid unescaped string should be detected');
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} catch (ParsingException $e) {
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$this->assertContains('Invalid string, it appears you have an unescaped backslash at: \z', $e->getMessage());
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}
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}
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public function testErrorOnUnterminatedString()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('{"bar": "foo}');
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$this->fail('Invalid unterminated string should be detected');
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} catch (ParsingException $e) {
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$this->assertContains('Invalid string, it appears you forgot to terminate a string, or attempted to write a multiline string which is invalid', $e->getMessage());
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}
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}
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public function testErrorOnMultilineString()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('{"bar": "foo
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bar"}');
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$this->fail('Invalid multi-line string should be detected');
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} catch (ParsingException $e) {
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$this->assertContains('Invalid string, it appears you forgot to terminate a string, or attempted to write a multiline string which is invalid', $e->getMessage());
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}
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}
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public function testErrorAtBeginning()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('
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');
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$this->fail('Empty string should be invalid');
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} catch (ParsingException $e) {
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$this->assertContains("Parse error on line 1:\n\n^", $e->getMessage());
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}
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}
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public function testParsesMultiInARow()
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{
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$parser = new JsonParser();
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foreach ($this->json as $input) {
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$this->assertEquals(json_decode($input), $parser->parse($input));
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}
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}
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public function testDetectsKeyOverrides()
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{
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$parser = new JsonParser();
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try {
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$parser->parse('{"a":"b", "a":"c"}', JsonParser::DETECT_KEY_CONFLICTS);
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$this->fail('Duplicate keys should not be allowed');
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} catch (DuplicateKeyException $e) {
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$this->assertContains('Duplicate key: a', $e->getMessage());
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$this->assertSame('a', $e->getKey());
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$this->assertSame(array('line' => 1, 'key' => 'a'), $e->getDetails());
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}
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}
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public function testDetectsKeyOverridesWithEmpty()
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{
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$parser = new JsonParser();
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if (PHP_VERSION_ID >= 70100) {
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$this->markTestSkipped('Only for PHP < 7.1');
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}
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try {
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$parser->parse('{"":"b", "_empty_":"a"}', JsonParser::DETECT_KEY_CONFLICTS);
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$this->fail('Duplicate keys should not be allowed');
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} catch (DuplicateKeyException $e) {
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$this->assertContains('Duplicate key: _empty_', $e->getMessage());
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$this->assertSame('_empty_', $e->getKey());
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$this->assertSame(array('line' => 1, 'key' => '_empty_'), $e->getDetails());
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}
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}
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public function testDuplicateKeys()
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{
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$parser = new JsonParser();
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$result = $parser->parse('{"a":"b", "a":"c", "a":"d"}', JsonParser::ALLOW_DUPLICATE_KEYS);
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$this->assertThat($result,
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$this->logicalAnd(
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$this->objectHasAttribute('a'),
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$this->objectHasAttribute('a.1'),
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$this->objectHasAttribute('a.2')
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)
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);
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}
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public function testDuplicateKeysWithEmpty()
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{
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$parser = new JsonParser();
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if (PHP_VERSION_ID >= 70100) {
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$this->markTestSkipped('Only for PHP < 7.1');
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}
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$result = $parser->parse('{"":"a", "_empty_":"b"}', JsonParser::ALLOW_DUPLICATE_KEYS);
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$this->assertThat($result,
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$this->logicalAnd(
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$this->objectHasAttribute('_empty_'),
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$this->objectHasAttribute('_empty_.1')
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)
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);
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}
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public function testParseToArray()
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{
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$parser = new JsonParser();
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$json = '{"one":"a", "two":{"three": "four"}, "": "empty"}';
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$result = $parser->parse($json, JsonParser::PARSE_TO_ASSOC);
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$this->assertSame(json_decode($json, true), $result);
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}
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public function testFileWithBOM()
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{
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try {
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$parser = new JsonParser();
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$parser->parse(file_get_contents(dirname(__FILE__) .'/bom.json'));
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$this->fail('BOM should be detected');
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} catch (ParsingException $e) {
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$this->assertContains('BOM detected', $e->getMessage());
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}
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}
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public function testLongString()
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{
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$parser = new JsonParser();
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$json = '{"k":"' . str_repeat("a\\n",10000) . '"}';
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$this->assertEquals(json_decode($json), $parser->parse($json));
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}
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}
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