michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: const PREF_NEWTAB_ROWS = "browser.newtabpage.rows";
michael@0: const PREF_NEWTAB_COLUMNS = "browser.newtabpage.columns";
michael@0: 
michael@0: function runTests() {
michael@0:   let testValues = [
michael@0:     {row: 0, column: 0},
michael@0:     {row: -1, column: -1},
michael@0:     {row: -1, column: 0},
michael@0:     {row: 0, column: -1},
michael@0:     {row: 2, column: 4},
michael@0:     {row: 2, column: 5},
michael@0:   ];
michael@0: 
michael@0:   // Expected length of grid
michael@0:   let expectedValues = [1, 1, 1, 1, 8, 10];
michael@0: 
michael@0:    // Values before setting new pref values (9 is the default value -> 3 x 3)
michael@0:   let previousValues = [9, 1, 1, 1, 1, 8];
michael@0: 
michael@0:   let existingTab, existingTabGridLength, newTab, newTabGridLength;
michael@0:   yield addNewTabPageTab();
michael@0:   existingTab = gBrowser.selectedTab;
michael@0: 
michael@0:   for (let i = 0; i < expectedValues.length; i++) {
michael@0:     gBrowser.selectedTab = existingTab;
michael@0:     existingTabGridLength = getGrid().cells.length;
michael@0:     is(existingTabGridLength, previousValues[i],
michael@0:       "Grid length of existing page before update is correctly.");
michael@0: 
michael@0:     Services.prefs.setIntPref(PREF_NEWTAB_ROWS, testValues[i].row);
michael@0:     Services.prefs.setIntPref(PREF_NEWTAB_COLUMNS, testValues[i].column);
michael@0: 
michael@0:     existingTabGridLength = getGrid().cells.length;
michael@0:     is(existingTabGridLength, expectedValues[i],
michael@0:       "Existing page grid is updated correctly.");
michael@0: 
michael@0:     yield addNewTabPageTab();
michael@0:     newTab = gBrowser.selectedTab;
michael@0:     newTabGridLength = getGrid().cells.length;
michael@0:     is(newTabGridLength, expectedValues[i],
michael@0:       "New page grid is updated correctly.");
michael@0: 
michael@0:     gBrowser.removeTab(newTab);
michael@0:   }
michael@0: 
michael@0:   gBrowser.removeTab(existingTab);
michael@0: 
michael@0:   Services.prefs.clearUserPref(PREF_NEWTAB_ROWS);
michael@0:   Services.prefs.clearUserPref(PREF_NEWTAB_COLUMNS);
michael@0: }