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-rw-r--r--devtools/client/shared/test/browser_flame-graph-02.js44
1 files changed, 44 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_flame-graph-02.js b/devtools/client/shared/test/browser_flame-graph-02.js
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+++ b/devtools/client/shared/test/browser_flame-graph-02.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that flame graph widgets may have a fixed width or height.
+
+const {FlameGraph} = require("devtools/client/shared/widgets/FlameGraph");
+
+add_task(function* () {
+ yield addTab("about:blank");
+ yield performTest();
+ gBrowser.removeCurrentTab();
+});
+
+function* performTest() {
+ let [host,, doc] = yield createHost();
+ doc.body.setAttribute("style",
+ "position: fixed; width: 100%; height: 100%; margin: 0;");
+
+ let graph = new FlameGraph(doc.body);
+ graph.fixedWidth = 200;
+ graph.fixedHeight = 100;
+
+ yield graph.ready();
+ testGraph(host, graph);
+
+ yield graph.destroy();
+ host.destroy();
+}
+
+function testGraph(host, graph) {
+ let bounds = host.frame.getBoundingClientRect();
+
+ isnot(graph.width, bounds.width * window.devicePixelRatio,
+ "The graph should not span all the parent node's width.");
+ isnot(graph.height, bounds.height * window.devicePixelRatio,
+ "The graph should not span all the parent node's height.");
+
+ is(graph.width, graph.fixedWidth * window.devicePixelRatio,
+ "The graph has the correct width.");
+ is(graph.height, graph.fixedHeight * window.devicePixelRatio,
+ "The graph has the correct height.");
+}