зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
3.1 KiB
JavaScript
112 строки
3.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Tests that graph widgets can handle clients getting/setting the
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// selection or cursor.
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const LineGraphWidget = require("devtools/client/shared/widgets/LineGraphWidget");
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add_task(async function() {
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await addTab("about:blank");
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await performTest();
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gBrowser.removeCurrentTab();
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});
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async function performTest() {
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const [host,, doc] = await createHost();
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const graph = new LineGraphWidget(doc.body, "fps");
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await graph.once("ready");
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await testSelection(graph);
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await testCursor(graph);
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await graph.destroy();
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host.destroy();
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}
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async function testSelection(graph) {
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ok(graph.getSelection().start === null,
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"The graph's selection should initially have a null start value.");
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ok(graph.getSelection().end === null,
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"The graph's selection should initially have a null end value.");
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ok(!graph.hasSelection(),
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"There shouldn't initially be any selection.");
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const selected = graph.once("selecting");
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graph.setSelection({ start: 100, end: 200 });
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await selected;
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ok(true, "A 'selecting' event has been fired.");
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ok(graph.hasSelection(),
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"There should now be a selection.");
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is(graph.getSelection().start, 100,
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"The graph's selection now has an updated start value.");
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is(graph.getSelection().end, 200,
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"The graph's selection now has an updated end value.");
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let thrown;
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try {
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graph.setSelection({ start: null, end: null });
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} catch (e) {
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thrown = true;
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}
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ok(thrown, "Setting a null selection shouldn't work.");
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ok(graph.hasSelection(),
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"There should still be a selection.");
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const deselected = graph.once("deselecting");
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graph.dropSelection();
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await deselected;
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ok(true, "A 'deselecting' event has been fired.");
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ok(!graph.hasSelection(),
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"There shouldn't be any selection anymore.");
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ok(graph.getSelection().start === null,
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"The graph's selection now has a null start value.");
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ok(graph.getSelection().end === null,
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"The graph's selection now has a null end value.");
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}
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function testCursor(graph) {
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ok(graph.getCursor().x === null,
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"The graph's cursor should initially have a null X value.");
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ok(graph.getCursor().y === null,
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"The graph's cursor should initially have a null Y value.");
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ok(!graph.hasCursor(),
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"There shouldn't initially be any cursor.");
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graph.setCursor({ x: 100, y: 50 });
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ok(graph.hasCursor(),
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"There should now be a cursor.");
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is(graph.getCursor().x, 100,
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"The graph's cursor now has an updated start value.");
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is(graph.getCursor().y, 50,
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"The graph's cursor now has an updated end value.");
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let thrown;
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try {
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graph.setCursor({ x: null, y: null });
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} catch (e) {
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thrown = true;
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}
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ok(thrown, "Setting a null cursor shouldn't work.");
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ok(graph.hasCursor(),
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"There should still be a cursor.");
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graph.dropCursor();
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ok(!graph.hasCursor(),
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"There shouldn't be any cursor anymore.");
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ok(graph.getCursor().x === null,
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"The graph's cursor now has a null start value.");
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ok(graph.getCursor().y === null,
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"The graph's cursor now has a null end value.");
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}
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