CONSOLE MESSAGE: Fetch API cannot load data:;base64,a.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcde.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,%F0%90%80%80.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,==.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,===.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,====.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,=====.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a==.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a===.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a====.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a=====.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcde=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcde==.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcde===.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcde====.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcde=====.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,=a.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,=a=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a=b.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,a=b=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,ab=c.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,ab=c=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abc=d.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abc=d=.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,ab%C2%A0cd.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,A.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,////A.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,/.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,AAAA/.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,%00nonsense.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,abcd%00nonsense.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,~~.
CONSOLE MESSAGE: Fetch API cannot load data:;base64,...

PASS Setup. 
PASS data: URL base64 handling: "" 
PASS data: URL base64 handling: "abcd" 
PASS data: URL base64 handling: " abcd" 
PASS data: URL base64 handling: "abcd " 
FAIL data: URL base64 handling: " abcd===" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd=== " assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd ===" assert_unreached: Should have rejected: undefined Reached unreachable code
PASS data: URL base64 handling: "a" 
PASS data: URL base64 handling: "ab" 
PASS data: URL base64 handling: "abc" 
PASS data: URL base64 handling: "abcde" 
PASS data: URL base64 handling: "𐀀" 
PASS data: URL base64 handling: "=" 
PASS data: URL base64 handling: "==" 
PASS data: URL base64 handling: "===" 
PASS data: URL base64 handling: "====" 
PASS data: URL base64 handling: "=====" 
PASS data: URL base64 handling: "a=" 
PASS data: URL base64 handling: "a==" 
PASS data: URL base64 handling: "a===" 
PASS data: URL base64 handling: "a====" 
PASS data: URL base64 handling: "a=====" 
FAIL data: URL base64 handling: "ab=" assert_unreached: Should have rejected: undefined Reached unreachable code
PASS data: URL base64 handling: "ab==" 
FAIL data: URL base64 handling: "ab===" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "ab====" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "ab=====" assert_unreached: Should have rejected: undefined Reached unreachable code
PASS data: URL base64 handling: "abc=" 
FAIL data: URL base64 handling: "abc==" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abc===" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abc====" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abc=====" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd=" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd==" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd===" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd====" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "abcd=====" assert_unreached: Should have rejected: undefined Reached unreachable code
PASS data: URL base64 handling: "abcde=" 
PASS data: URL base64 handling: "abcde==" 
PASS data: URL base64 handling: "abcde===" 
PASS data: URL base64 handling: "abcde====" 
PASS data: URL base64 handling: "abcde=====" 
PASS data: URL base64 handling: "=a" 
PASS data: URL base64 handling: "=a=" 
PASS data: URL base64 handling: "a=b" 
PASS data: URL base64 handling: "a=b=" 
PASS data: URL base64 handling: "ab=c" 
PASS data: URL base64 handling: "ab=c=" 
PASS data: URL base64 handling: "abc=d" 
PASS data: URL base64 handling: "abc=d=" 
FAIL data: URL base64 handling: "ab\vcd" assert_unreached: Should have rejected: undefined Reached unreachable code
PASS data: URL base64 handling: "ab\tcd" 
PASS data: URL base64 handling: "ab\ncd" 
PASS data: URL base64 handling: "ab\fcd" 
PASS data: URL base64 handling: "ab\rcd" 
PASS data: URL base64 handling: "ab cd" 
PASS data: URL base64 handling: "ab cd" 
PASS data: URL base64 handling: "ab\t\n\f\r cd" 
PASS data: URL base64 handling: " \t\n\f\r ab\t\n\f\r cd\t\n\f\r " 
PASS data: URL base64 handling: "ab\t\n\f\r =\t\n\f\r =\t\n\f\r " 
PASS data: URL base64 handling: "A" 
PASS data: URL base64 handling: "/A" 
PASS data: URL base64 handling: "//A" 
PASS data: URL base64 handling: "///A" 
PASS data: URL base64 handling: "////A" 
PASS data: URL base64 handling: "/" 
PASS data: URL base64 handling: "A/" 
PASS data: URL base64 handling: "AA/" 
PASS data: URL base64 handling: "AAAA/" 
PASS data: URL base64 handling: "AAA/" 
PASS data: URL base64 handling: "\0nonsense" 
PASS data: URL base64 handling: "abcd\0nonsense" 
PASS data: URL base64 handling: "YQ" 
PASS data: URL base64 handling: "YR" 
PASS data: URL base64 handling: "~~" 
PASS data: URL base64 handling: ".." 
FAIL data: URL base64 handling: "--" assert_unreached: Should have rejected: undefined Reached unreachable code
FAIL data: URL base64 handling: "__" assert_unreached: Should have rejected: undefined Reached unreachable code