This is a testharness.js-based test.
FAIL Can set 'font-synthesis' to CSS-wide keywords Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-synthesis
FAIL Can set 'font-synthesis' to var() references Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-synthesis
FAIL Can set 'font-synthesis' to the 'none' keyword Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-synthesis
FAIL Can set 'font-synthesis' to the 'weight' keyword Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-synthesis
FAIL Can set 'font-synthesis' to the 'style' keyword Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-synthesis
FAIL Can set 'font-synthesis' to the 'small-caps' keyword Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-synthesis
PASS Setting 'font-synthesis' to a length throws TypeError
PASS Setting 'font-synthesis' to a percent throws TypeError
PASS Setting 'font-synthesis' to a time throws TypeError
PASS Setting 'font-synthesis' to an angle throws TypeError
PASS Setting 'font-synthesis' to a flexible length throws TypeError
PASS Setting 'font-synthesis' to a number throws TypeError
PASS Setting 'font-synthesis' to a position throws TypeError
PASS Setting 'font-synthesis' to a URL throws TypeError
PASS Setting 'font-synthesis' to a transform throws TypeError
FAIL 'font-synthesis' does not supported 'weight style' Failed to execute 'get' on 'StylePropertyMapReadOnly': Invalid propertyName: font-synthesis
FAIL 'font-synthesis' does not supported 'style small-caps' Failed to execute 'get' on 'StylePropertyMapReadOnly': Invalid propertyName: font-synthesis
FAIL 'font-synthesis' does not supported 'small-caps weight style' Failed to execute 'get' on 'StylePropertyMapReadOnly': Invalid propertyName: font-synthesis
Harness: the test ran to completion.