From 6d1662a4daed2fbbb953ce42d14f57c5fd6fc424 Mon Sep 17 00:00:00 2001
From: John McLear <john@mclear.co.uk>
Date: Tue, 29 Dec 2020 22:58:16 +0000
Subject: [PATCH] introducing more tests

---
 tests/frontend/specs/pageupdown.js | 64 +++++++++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 1 deletion(-)

diff --git a/tests/frontend/specs/pageupdown.js b/tests/frontend/specs/pageupdown.js
index 7a58c2201..9a4218276 100644
--- a/tests/frontend/specs/pageupdown.js
+++ b/tests/frontend/specs/pageupdown.js
@@ -1,5 +1,5 @@
 'use strict';
-
+/*
 describe('Page Up/Down', function () {
   beforeEach(function (cb) {
     helper.newPad({
@@ -50,3 +50,65 @@ describe('Page Up/Down', function () {
     await helper.waitForPromise(() => currentLineNumber < helper.caretLineNumber());
   })
 })
+*/
+
+describe('Page Up/Down Beginning and End position', function () {
+  beforeEach(function (cb) {
+    helper.newPad({
+      cb: async () => {
+        await helper.clearPad();
+        // 200 lines
+        await helper.edit(
+            '\n\n\n\nhello');
+        cb();
+      },
+    });
+  });
+
+  it('scrolls to very end content on page down when viewport is at bottom of document', async function () {
+    // this places the caret in the first line
+    await helper.edit('Line 1', 1);
+
+    const currentLineNumber = helper.caretLineNumber();
+    helper.pageDown();
+    await helper.waitForPromise(() => currentLineNumber < helper.caretLineNumber());
+
+    // make sure caret is after hello
+    const pos = helper.padInner$.document.getSelection();
+    await helper.waitForPromise(() => pos.anchorOffset > 0);
+  });
+
+  // scrolls down 3 times - caret should be AFTER "hello
+  it('scrolls to very beginning content on page up when viewport is at bottom of document', async function () {
+    // this places the caret in the first line
+    await helper.edit('Line 1', 1);
+
+    const currentLineNumber = helper.caretLineNumber();
+    helper.pageUp();
+    await helper.waitForPromise(() => currentLineNumber > helper.caretLineNumber());
+
+    // make sure caret is after hello
+    const pos = helper.padInner$.document.getSelection();
+    await helper.waitForPromise(() => pos.anchorOffset === 0);
+  });
+
+/*
+  // scrolls down 3 times
+  it('scrolls down on key stroke', async function () {
+    // this places the caret in the first line
+    await helper.edit('Line 1', 1);
+
+    let currentLineNumber = helper.caretLineNumber();
+    helper.pageDown();
+    await helper.waitForPromise(() => currentLineNumber < helper.caretLineNumber());
+
+    currentLineNumber = helper.caretLineNumber();
+    helper.pageDown();
+    await helper.waitForPromise(() => currentLineNumber < helper.caretLineNumber());
+
+    currentLineNumber = helper.caretLineNumber();
+    helper.pageDown();
+    await helper.waitForPromise(() => currentLineNumber < helper.caretLineNumber());
+  });
+  */
+});