testText("
", "abc", "abc", "Simplest possible test"); testHTML("
", "abc\ndef", "abc
def", "Newlines convert to
in non-white-space:pre elements"); testHTML("
", "abc\ndef", "abc
def", "Newlines convert to 
 in 
 element");
testHTML("
", "abc\ndef", "abc
def", "Newlines convert to 
 in white-space:pre element");
testHTML("
", "abc\rdef", "abc
def", "CRs convert to 
 in non-white-space:pre elements");
testHTML("
", "abc\rdef", "abc
def", "CRs convert to 
 in 
 element");
testHTML("
", "abc\r\ndef", "abc
def", "Newline/CR pair converts to 
 in non-white-space:pre element");
testHTML("
", "abc\n\ndef", "abc

def", "Newline/newline pair converts to two 
s in non-white-space:pre element");
testHTML("
", "abc\r\rdef", "abc

def", "CR/CR pair converts to two 
s in non-white-space:pre element");
testHTML("
", "abc\rdef", "abc
def", "CRs convert to 
 in white-space:pre element");
testText("
", "abc", "abc>def", "abc>def", "> preserved");
testText("
", "abc&", "abc&", "& preserved");
testText("
", "abc\"def", "abc\"def", "\" preserved");
testText("
", "abc\'def", "abc\'def", "\' preserved");
testHTML("", "abc", "", "innerText not supported on SVG elements");
testHTML("", "abc", "", "innerText not supported on MathML elements");
testText("
", "abc\0def", "abc\0def", "Null characters preserved");
testText("
", "abc\tdef", "abc\tdef", "Tabs preserved");
testText("
", " abc", " abc", "Leading whitespace preserved");
testText("
", "abc ", "abc ", "Trailing whitespace preserved");
testText("
", "abc  def", "abc  def", "Whitespace not compressed");
testHTML("
abc\n\n", "abc", "abc", "Existing text deleted");
testHTML("

", "abc", "abc", "Existing 
 deleted");
testHTML("
", "", "", "Assigning the empty string");
testHTML("
", null, "", "Assigning null");
testHTML("
", undefined, "undefined", "Assigning undefined");