cptn-else-false-abrupt-empty.js (1459B)
1 // Copyright (C) 2016 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 esid: sec-if-statement-runtime-semantics-evaluation 5 description: > 6 Completion value when expression is false with an `else` clause and body 7 returns an empty abrupt completion 8 info: | 9 IfStatement : if ( Expression ) Statement else Statement 10 11 3. If exprValue is true, then 12 [...] 13 4. Else, 14 a. Let stmtCompletion be the result of evaluating the second Statement. 15 5. Return Completion(UpdateEmpty(stmtCompletion, undefined)). 16 ---*/ 17 18 assert.sameValue( 19 eval('1; do { if (false) { } else { break; } } while (false)'), undefined 20 ); 21 assert.sameValue( 22 eval('2; do { 3; if (false) { } else { break; } } while (false)'), undefined 23 ); 24 assert.sameValue( 25 eval('4; do { if (false) { 5; } else { break; } } while (false)'), undefined 26 ); 27 assert.sameValue( 28 eval('6; do { 7; if (false) { 8; } else { break; } } while (false)'), 29 undefined 30 ); 31 32 assert.sameValue( 33 eval('9; do { if (false) { } else { continue; } } while (false)'), undefined 34 ); 35 assert.sameValue( 36 eval('10; do { 11; if (false) { } else { continue; } } while (false)'), 37 undefined 38 ); 39 assert.sameValue( 40 eval('12; do { if (false) { 13; } else { continue; } } while (false)'), 41 undefined 42 ); 43 assert.sameValue( 44 eval('14; do { 15; if (false) { 16; } else { continue; } } while (false)'), 45 undefined 46 ); 47 48 reportCompare(0, 0);