Test nested at-rules.

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


rules = document.styleSheets[1].cssRules
PASS rules.length is 2
PASS rules[0].type is CSSRule.STYLE_RULE
PASS rules[1].type is CSSRule.MEDIA_RULE
PASS rules[1].cssRules.length is 2
PASS rules[1].cssRules[0].type is CSSRule.MEDIA_RULE
PASS rules[1].cssRules[0].cssRules.length is 3
PASS rules[1].cssRules[0].cssRules[0].type is CSSRule.FONT_FACE_RULE
PASS rules[1].cssRules[0].cssRules[1].type is CSSRule.PAGE_RULE
PASS rules[1].cssRules[0].cssRules[2].type is CSSRule.STYLE_RULE
PASS rules[1].cssRules[0].cssRules[0].parentStyleSheet is document.styleSheets[1]
PASS rules[1].cssRules[0].cssRules[1].parentStyleSheet is document.styleSheets[1]
PASS rules[1].cssRules[0].cssRules[2].parentStyleSheet is document.styleSheets[1]
PASS rules[1].cssRules[1].type is CSSRule.MEDIA_RULE
PASS rules[1].cssRules[1].cssRules.length is 1
PASS rules[1].cssRules[1].cssRules[0].type is CSSRule.MEDIA_RULE
rules[1].cssRules[1].insertRule('@media all { @page :left { top: 0; } }', 1)
PASS rules[1].cssRules[1].cssRules.length is 2
PASS rules[1].cssRules[1].cssRules[1].type is CSSRule.MEDIA_RULE
PASS rules[1].cssRules[1].cssRules[1].cssRules[0].type is CSSRule.PAGE_RULE
PASS getComputedStyle(document.getElementById('t0')).content is "APPLIED"
PASS getComputedStyle(document.getElementById('t1')).content is "UNTOUCHED"
PASS successfullyParsed is true

TEST COMPLETE