Verify selector specifying extended filtering of :lang() pseudo class with string arguments

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS document.querySelectorAll(':lang("en")').length is 1
PASS document.querySelectorAll(':lang("de-1997")').length is 1
PASS document.querySelectorAll(':lang("*-1997")').length is 1
PASS document.querySelectorAll(":lang('')").length is 0
PASS document.querySelectorAll(':lang("")').length is 0
PASS document.querySelectorAll(':lang("en", "*-1997")').length is 2
PASS document.querySelectorAll(':lang("", "*-1997")').length is 1
PASS document.querySelectorAll(':lang("""")') threw exception SyntaxError: The string did not match the expected pattern..
PASS successfullyParsed is true

TEST COMPLETE