| This is a testharness.js-based test. |
| PASS Setting a StylePropertyMap with an unsupported property name throws TypeError |
| PASS Setting a StylePropertyMap with an null property name throws TypeError |
| PASS Setting a StylePropertyMap with an invalid CSSStyleValue throws TypeError |
| PASS Setting a StylePropertyMap with an invalid String throws TypeError |
| PASS Setting a property with CSSStyleValue or String updates its value |
| PASS Setting a list-valued property with CSSStyleValue or String updates its values |
| FAIL Setting a custom property with CSSStyleValue or String updates its value Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: --foo |
| PASS StylePropertyMap.set is case-insensitive |
| Harness: the test ran to completion. |
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