diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/const-obj-ptrn-prop-ary-init.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/const-obj-ptrn-prop-ary-init.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/const-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/for-of/dstr/const-obj-ptrn-prop-ary-init.js new file mode 100644 index 0000000000..3070390866 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/const-obj-ptrn-prop-ary-init.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-init.case +// - src/dstr-binding/default/for-of-const.template +/*--- +description: Object binding pattern with "nested" array binding pattern using initializer (for-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [destructuring-binding] +flags: [generated] +info: | + IterationStatement : + for ( ForDeclaration of AssignmentExpression ) Statement + + [...] + 3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, + lexicalBinding, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 3. Let destructuring be IsDestructuring of lhs. + [...] + 5. Repeat + [...] + h. If destructuring is false, then + [...] + i. Else + i. If lhsKind is assignment, then + [...] + ii. Else if lhsKind is varBinding, then + [...] + iii. Else, + 1. Assert: lhsKind is lexicalBinding. + 2. Assert: lhs is a ForDeclaration. + 3. Let status be the result of performing BindingInitialization + for lhs passing nextValue and iterationEnv as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var iterCount = 0; + +for (const { w: [x, y, z] = [4, 5, 6] } of [{}]) { + assert.sameValue(x, 4); + assert.sameValue(y, 5); + assert.sameValue(z, 6); + + assert.throws(ReferenceError, function() { + w; + }); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'iteration occurred as expected'); + +reportCompare(0, 0); |