|  | // META: global=window,worker,shadowrealm | 
|  |  | 
|  | 'use strict'; | 
|  |  | 
|  | test(t => { | 
|  | assert_throws_js(TypeError, () => new DecompressionStream('a'), 'constructor should throw'); | 
|  | }, '"a" should cause the constructor to throw'); | 
|  |  | 
|  | test(t => { | 
|  | assert_throws_js(TypeError, () => new DecompressionStream(), 'constructor should throw'); | 
|  | }, 'no input should cause the constructor to throw'); | 
|  |  | 
|  | test(t => { | 
|  | assert_throws_js(Error, () => new DecompressionStream({ toString() { throw Error(); } }), 'constructor should throw'); | 
|  | }, 'non-string input should cause the constructor to throw'); |