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