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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(async function() {
await addTab("about:blank");
await performTest();
gBrowser.removeCurrentTab();
});
async function performTest() {
const { host, doc } = await createHost();
const graph = new LineGraphWidget(doc.body, "fps");
await graph.once("ready");
await testSelection(graph);
await testCursor(graph);
await graph.destroy();
host.destroy();
}
async 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.");
const selected = graph.once("selecting");
graph.setSelection({ start: 100, end: 200 });
await 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.");
const deselected = graph.once("deselecting");
graph.dropSelection();
await 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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