v8/test/inspector/runtime/length-or-size-description.js
luoe 2c1fb7a821 Re-land of Use parenthesis in descriptions for array/map/set lengths/sizes
Descriptions for (typed)arrays will use parenthesis instead of square brackets
"Array(10)" instead of "Array[10]". This CL also adds size hints to descriptions
of maps and sets.

Related CL for DevTools: https://codereview.chromium.org/2524913002/

BUG=405845

Committed: https://crrev.com/92c77a57390e6a9ef726535b255a24359751992d
Review-Url: https://codereview.chromium.org/2521853003
Cr-Original-Commit-Position: refs/heads/master@{#41237}
Cr-Commit-Position: refs/heads/master@{#41442}
2016-12-02 01:26:45 +00:00

24 lines
1018 B
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
print("Test that descriptions for arrays, maps, and sets include the correct length or size.")
Promise.all([
testExpression("new Set()"),
testExpression("new Set([1,2])"),
testExpression("new Map()"),
testExpression("new Map([[1,2],[3,4]])"),
testExpression("new Array()"),
testExpression("new Array(2)"),
testExpression("new Uint8Array()"),
testExpression("new Uint8Array(2)")
]).then(() => InspectorTest.completeTest());
function testExpression(expression) {
return Protocol.Runtime.evaluate({ expression: expression })
.then(result => InspectorTest.logMessage(result.result.result.description))
.then(() => Protocol.Runtime.evaluate({ expression: "[" + expression + "]", generatePreview: true }))
.then(result => InspectorTest.logMessage(result.result.result.preview.properties[0].value))
}