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Test Info: Errors

/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that selected sheet and cursor position is reset during navigation.
const TESTCASE_URI = TEST_BASE_HTTPS + "simple.html";
const NEW_URI = TEST_BASE_HTTPS + "media.html";
const LINE_NO = 5;
const COL_NO = 3;
add_task(async function () {
const { ui } = await openStyleEditorForURL(TESTCASE_URI);
is(ui.editors.length, 2, "Two sheets present after load.");
info("Selecting the second editor");
await ui.selectStyleSheet(ui.editors[1].styleSheet, LINE_NO, COL_NO);
await navigateToAndWaitForStyleSheets(NEW_URI, ui, 2);
info("Waiting for source editor to be ready.");
await ui.editors[0].getSourceEditor();
is(ui.selectedEditor, ui.editors[0], "first editor is selected");
const { line, ch } = ui.selectedEditor.sourceEditor.getCursor();
is(line, 0, "first line is selected");
is(ch, 0, "first column is selected");
});