This is a testharness.js-based test.
PASS idl_test setup
PASS idl_test validation
PASS Partial interface CSSRule: original interface defined
PASS Partial interface CSSRule: member names are unique
PASS Partial namespace CSS: original namespace defined
PASS Partial namespace CSS: member names are unique
PASS CSSConditionRule interface: existence and properties of interface object
PASS CSSConditionRule interface object length
PASS CSSConditionRule interface object name
PASS CSSConditionRule interface: existence and properties of interface prototype object
PASS CSSConditionRule interface: existence and properties of interface prototype object's "constructor" property
PASS CSSConditionRule interface: existence and properties of interface prototype object's @@unscopables property
FAIL CSSConditionRule interface: attribute conditionText assert_equals: setter must be function for PutForwards, Replaceable, or non-readonly attributes expected "function" but got "undefined"
PASS CSSMediaRule interface: existence and properties of interface object
PASS CSSMediaRule interface object length
PASS CSSMediaRule interface object name
PASS CSSMediaRule interface: existence and properties of interface prototype object
PASS CSSMediaRule interface: existence and properties of interface prototype object's "constructor" property
PASS CSSMediaRule interface: existence and properties of interface prototype object's @@unscopables property
PASS CSSMediaRule interface: attribute media
PASS CSSMediaRule must be primary interface of cssMediaRule
PASS Stringification of cssMediaRule
PASS CSSMediaRule interface: cssMediaRule must inherit property "media" with the proper type
PASS CSSConditionRule interface: cssMediaRule must inherit property "conditionText" with the proper type
PASS CSSRule interface: cssMediaRule must inherit property "SUPPORTS_RULE" with the proper type
PASS CSSSupportsRule interface: existence and properties of interface object
PASS CSSSupportsRule interface object length
PASS CSSSupportsRule interface object name
PASS CSSSupportsRule interface: existence and properties of interface prototype object
PASS CSSSupportsRule interface: existence and properties of interface prototype object's "constructor" property
PASS CSSSupportsRule interface: existence and properties of interface prototype object's @@unscopables property
PASS CSSSupportsRule must be primary interface of cssSupportsRule
PASS Stringification of cssSupportsRule
PASS CSSConditionRule interface: cssSupportsRule must inherit property "conditionText" with the proper type
PASS CSSRule interface: cssSupportsRule must inherit property "SUPPORTS_RULE" with the proper type
PASS CSSRule interface: constant SUPPORTS_RULE on interface object
PASS CSSRule interface: constant SUPPORTS_RULE on interface prototype object
PASS CSSRule interface: cssRule must inherit property "SUPPORTS_RULE" with the proper type
PASS CSS namespace: operation escape(CSSOMString)
PASS CSS namespace: operation supports(CSSOMString, CSSOMString)
PASS CSS namespace: operation supports(CSSOMString)
Harness: the test ran to completion.