This is a testharness.js-based test.
PASS Can set 'overflow-wrap' to CSS-wide keywords
PASS Can set 'overflow-wrap' to var() references
PASS Can set 'overflow-wrap' to the 'normal' keyword
PASS Can set 'overflow-wrap' to the 'break-word' keyword
FAIL Can set 'overflow-wrap' to the 'break-spaces' keyword Failed to execute 'set' on 'StylePropertyMap': Invalid type for property
PASS Setting 'overflow-wrap' to a length throws TypeError
PASS Setting 'overflow-wrap' to a percent throws TypeError
PASS Setting 'overflow-wrap' to a time throws TypeError
PASS Setting 'overflow-wrap' to an angle throws TypeError
PASS Setting 'overflow-wrap' to a flexible length throws TypeError
PASS Setting 'overflow-wrap' to a number throws TypeError
PASS Setting 'overflow-wrap' to a position throws TypeError
PASS Setting 'overflow-wrap' to a URL throws TypeError
PASS Setting 'overflow-wrap' to a transform throws TypeError
FAIL 'overflow-wrap' does not supported 'break-overflow break-spaces' assert_not_equals: Unsupported value must not be null got disallowed value null
Harness: the test ran to completion.