From 8c8397573cb214227d9973e67f8ae250f050895d Mon Sep 17 00:00:00 2001 From: Mike Pennisi Date: Sat, 11 Jun 2016 17:30:33 -0400 Subject: [PATCH] Add test cases for spread operator The operand of the spread operator may be an AssignmentExpression. Add test cases which demonstrate this. --- src/spread/mult-expr.case | 33 +++++++++++++++++++++++++++++++++ src/spread/mult-literal.case | 29 +++++++++++++++++++++++++++++ src/spread/sngl-expr.case | 35 +++++++++++++++++++++++++++++++++++ src/spread/sngl-literal.case | 31 +++++++++++++++++++++++++++++++ 4 files changed, 128 insertions(+) create mode 100644 src/spread/mult-expr.case create mode 100644 src/spread/mult-literal.case create mode 100644 src/spread/sngl-expr.case create mode 100644 src/spread/sngl-literal.case diff --git a/src/spread/mult-expr.case b/src/spread/mult-expr.case new file mode 100644 index 0000000000..3f5fd6c2fd --- /dev/null +++ b/src/spread/mult-expr.case @@ -0,0 +1,33 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +desc: Spread operator applied to AssignmentExpression following other elements +template: default +info: | + 12.3.6.1 Runtime Semantics: ArgumentListEvaluation + + ArgumentList : ArgumentList , ... AssignmentExpression + + 1. Let precedingArgs be the result of evaluating ArgumentList. + 2. Let spreadRef be the result of evaluating AssignmentExpression. + 3. Let iterator be GetIterator(GetValue(spreadRef) ). + 4. ReturnIfAbrupt(iterator). + 5. Repeat + a. Let next be IteratorStep(iterator). + b. ReturnIfAbrupt(next). + c. If next is false, return precedingArgs. +---*/ + +//- setup +var source = [3, 4, 5]; +var target; +//- args +1, 2, ...target = source +//- body +assert.sameValue(arguments.length, 5); +assert.sameValue(arguments[0], 1); +assert.sameValue(arguments[1], 2); +assert.sameValue(arguments[2], 3); +assert.sameValue(arguments[3], 4); +assert.sameValue(arguments[4], 5); +assert.sameValue(target, source); diff --git a/src/spread/mult-literal.case b/src/spread/mult-literal.case new file mode 100644 index 0000000000..a949b590f1 --- /dev/null +++ b/src/spread/mult-literal.case @@ -0,0 +1,29 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +desc: Spread operator applied to AssignmentExpression following other elements +template: default +info: | + 12.3.6.1 Runtime Semantics: ArgumentListEvaluation + + ArgumentList : ArgumentList , ... AssignmentExpression + + 1. Let precedingArgs be the result of evaluating ArgumentList. + 2. Let spreadRef be the result of evaluating AssignmentExpression. + 3. Let iterator be GetIterator(GetValue(spreadRef) ). + 4. ReturnIfAbrupt(iterator). + 5. Repeat + a. Let next be IteratorStep(iterator). + b. ReturnIfAbrupt(next). + c. If next is false, return precedingArgs. +---*/ + +//- args +5, ...[6, 7, 8], 9 +//- body +assert.sameValue(arguments.length, 5); +assert.sameValue(arguments[0], 5); +assert.sameValue(arguments[1], 6); +assert.sameValue(arguments[2], 7); +assert.sameValue(arguments[3], 8); +assert.sameValue(arguments[4], 9); diff --git a/src/spread/sngl-expr.case b/src/spread/sngl-expr.case new file mode 100644 index 0000000000..e1c5b85d04 --- /dev/null +++ b/src/spread/sngl-expr.case @@ -0,0 +1,35 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +desc: Spread operator applied to AssignmentExpression as only element +template: default +info: | + 12.3.6.1 Runtime Semantics: ArgumentListEvaluation + + ArgumentList : ... AssignmentExpression + + 1. Let list be an empty List. + 2. Let spreadRef be the result of evaluating AssignmentExpression. + 3. Let spreadObj be GetValue(spreadRef). + 4. Let iterator be GetIterator(spreadObj). + 5. ReturnIfAbrupt(iterator). + 6. Repeat + a. Let next be IteratorStep(iterator). + b. ReturnIfAbrupt(next). + c. If next is false, return list. + d. Let nextArg be IteratorValue(next). + e. ReturnIfAbrupt(nextArg). + f. Append nextArg as the last element of list. +---*/ + +//- setup +var source = [2, 3, 4]; +var target; +//- args +...target = source +//- body +assert.sameValue(arguments.length, 3); +assert.sameValue(arguments[0], 2); +assert.sameValue(arguments[1], 3); +assert.sameValue(arguments[2], 4); +assert.sameValue(target, source); diff --git a/src/spread/sngl-literal.case b/src/spread/sngl-literal.case new file mode 100644 index 0000000000..1e647fd180 --- /dev/null +++ b/src/spread/sngl-literal.case @@ -0,0 +1,31 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +desc: Spread operator applied to array literal as only element +template: default +info: | + 12.3.6.1 Runtime Semantics: ArgumentListEvaluation + + ArgumentList : ... AssignmentExpression + + 1. Let list be an empty List. + 2. Let spreadRef be the result of evaluating AssignmentExpression. + 3. Let spreadObj be GetValue(spreadRef). + 4. Let iterator be GetIterator(spreadObj). + 5. ReturnIfAbrupt(iterator). + 6. Repeat + a. Let next be IteratorStep(iterator). + b. ReturnIfAbrupt(next). + c. If next is false, return list. + d. Let nextArg be IteratorValue(next). + e. ReturnIfAbrupt(nextArg). + f. Append nextArg as the last element of list. +---*/ + +//- args +...[3, 4, 5] +//- body +assert.sameValue(arguments.length, 3); +assert.sameValue(arguments[0], 3); +assert.sameValue(arguments[1], 4); +assert.sameValue(arguments[2], 5);