formal-parameters-after-reassignment-strict-strict.js (1308B)
1 'use strict'; 2 // Copyright (C) 2013 the V8 project authors. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 es6id: 25.2 6 description: > 7 Formal parameters are valid yield expression operands. 8 flags: [onlyStrict] 9 features: [generators] 10 ---*/ 11 12 function* g(a, b, c, d) { 13 arguments[0] = 32; 14 arguments[1] = 54; 15 arguments[2] = 333; 16 yield a; 17 yield b; 18 yield c; 19 yield d; 20 } 21 var iter = g(23, 45, 33); 22 var result; 23 24 result = iter.next(); 25 assert.sameValue(result.value, 23, 'First result `value`'); 26 assert.sameValue(result.done, false, 'First result `done` flag'); 27 28 result = iter.next(); 29 assert.sameValue(result.value, 45, 'Second result `value`'); 30 assert.sameValue(result.done, false, 'Second result `done` flag'); 31 32 result = iter.next(); 33 assert.sameValue(result.value, 33, 'Third result `value`'); 34 assert.sameValue(result.done, false, 'Third result `done` flag'); 35 36 result = iter.next(); 37 assert.sameValue( 38 result.value, undefined, 'Fourth result `value` (unspecified parameter)' 39 ); 40 assert.sameValue( 41 result.done, false, 'Fourth result `done` flag (unspecified parameter)' 42 ); 43 44 result = iter.next(); 45 assert.sameValue(result.value, undefined, 'Final result `value`'); 46 assert.sameValue(result.done, true, 'Final result `done` flag'); 47 48 reportCompare(0, 0);