browser/devtools/webconsole/test/browser_webconsole_bug_601352_scroll.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/devtools/webconsole/test/browser_webconsole_bug_601352_scroll.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,71 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +// Test that the console output scrolls to JS eval results when there are many
     1.9 +// messages displayed. See bug 601352.
    1.10 +
    1.11 +function test() {
    1.12 +  Task.spawn(runner).then(finishTest);
    1.13 +
    1.14 +  function* runner() {
    1.15 +    let {tab} = yield loadTab("data:text/html;charset=utf-8,Web Console test for bug 601352");
    1.16 +    let hud = yield openConsole(tab);
    1.17 +    hud.jsterm.clearOutput();
    1.18 +
    1.19 +    let longMessage = "";
    1.20 +    for (let i = 0; i < 50; i++) {
    1.21 +      longMessage += "LongNonwrappingMessage";
    1.22 +    }
    1.23 +
    1.24 +    for (let i = 0; i < 50; i++) {
    1.25 +      content.console.log("test1 message " + i);
    1.26 +    }
    1.27 +
    1.28 +    content.console.log(longMessage);
    1.29 +
    1.30 +    for (let i = 0; i < 50; i++) {
    1.31 +      content.console.log("test2 message " + i);
    1.32 +    }
    1.33 +
    1.34 +    yield waitForMessages({
    1.35 +      webconsole: hud,
    1.36 +      messages: [{
    1.37 +        text: "test1 message 0",
    1.38 +      }, {
    1.39 +        text: "test1 message 49",
    1.40 +      }, {
    1.41 +        text: "LongNonwrappingMessage",
    1.42 +      }, {
    1.43 +        text: "test2 message 0",
    1.44 +      }, {
    1.45 +        text: "test2 message 49",
    1.46 +      }],
    1.47 +    });
    1.48 +
    1.49 +    let nodeDeferred = promise.defer();
    1.50 +    hud.jsterm.execute("1+1", (node) => { nodeDeferred.resolve(node); });
    1.51 +    let node = yield nodeDeferred.promise;
    1.52 +
    1.53 +    let scrollNode = hud.outputNode.parentNode;
    1.54 +    let rectNode = node.getBoundingClientRect();
    1.55 +    let rectOutput = scrollNode.getBoundingClientRect();
    1.56 +    console.debug("rectNode", rectNode, "rectOutput", rectOutput);
    1.57 +    console.log("scrollNode scrollHeight", scrollNode.scrollHeight, "scrollTop", scrollNode.scrollTop, "clientHeight", scrollNode.clientHeight);
    1.58 +
    1.59 +    isnot(scrollNode.scrollTop, 0, "scroll location is not at the top");
    1.60 +
    1.61 +    // The bounding client rect .top/left coordinates are relative to the
    1.62 +    // console iframe.
    1.63 +
    1.64 +    // Visible scroll viewport.
    1.65 +    let height = rectOutput.height;
    1.66 +
    1.67 +    // Top and bottom coordinates of the last message node, relative to the outputNode.
    1.68 +    let top = rectNode.top - rectOutput.top;
    1.69 +    let bottom = top + rectNode.height;
    1.70 +    info("node top " + top + " node bottom " + bottom + " node clientHeight " + node.clientHeight);
    1.71 +
    1.72 +    ok(top >= 0 && bottom <= height, "last message is visible");
    1.73 +  }
    1.74 +}

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