GraphQL\Tests\Language\LexerTest::testReportsUsefulErrors PHP Method

    public function testReportsUsefulErrors()
    {
        $run = function ($num, $str, $expectedMessage) {
            try {
                $this->lexOne($str);
                $this->fail('Expected exception not thrown in example: ' . $num);
            } catch (SyntaxError $e) {
                $this->assertEquals($expectedMessage, $e->getMessage(), "Test case {$num} failed");
            }
        };
        $run(1, '"', "Syntax Error GraphQL (1:2) Unterminated string.\n\n1: \"\n    ^\n");
        $run(2, '"no end quote', "Syntax Error GraphQL (1:14) Unterminated string.\n\n1: \"no end quote\n                ^\n");
        $run(3, "'single quotes'", "Syntax Error GraphQL (1:1) Unexpected single quote character ('), did you mean to use a double quote (\")?\n\n1: 'single quotes'\n   ^\n");
        $run(4, '"contains unescaped \\u0007 control char"', "Syntax Error GraphQL (1:21) Invalid character within String: \"\\u0007\"\n\n1: \"contains unescaped \\u0007 control char\"\n                       ^\n");
        $run(5, '"null-byte is not \\u0000 end of file"', 'Syntax Error GraphQL (1:19) Invalid character within String: "\\u0000"' . "\n\n1: \"null-byte is not \\u0000 end of file\"\n                     ^\n");
        $run(6, '"multi' . "\n" . 'line"', "Syntax Error GraphQL (1:7) Unterminated string.\n\n1: \"multi\n         ^\n2: line\"\n");
        $run(7, '"multi' . "\r" . 'line"', "Syntax Error GraphQL (1:7) Unterminated string.\n\n1: \"multi\n         ^\n2: line\"\n");
        $run(8, '"bad \\z esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\z\n\n1: \"bad \\z esc\"\n         ^\n");
        $run(9, '"bad \\x esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\x\n\n1: \"bad \\x esc\"\n         ^\n");
        $run(10, '"bad \\u1 esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\u1 es\n\n1: \"bad \\u1 esc\"\n         ^\n");
        $run(11, '"bad \\u0XX1 esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\u0XX1\n\n1: \"bad \\u0XX1 esc\"\n         ^\n");
        $run(12, '"bad \\uXXXX esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\uXXXX\n\n1: \"bad \\uXXXX esc\"\n         ^\n");
        $run(13, '"bad \\uFXXX esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\uFXXX\n\n1: \"bad \\uFXXX esc\"\n         ^\n");
        $run(14, '"bad \\uXXXF esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\uXXXF\n\n1: \"bad \\uXXXF esc\"\n         ^\n");
    }