From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 layout/generic/test/test_bug1623764.html | 292 +++++++++++++++++++++++++++++++
 1 file changed, 292 insertions(+)
 create mode 100644 layout/generic/test/test_bug1623764.html

(limited to 'layout/generic/test/test_bug1623764.html')
diff --git a/layout/generic/test/test_bug1623764.html b/layout/generic/test/test_bug1623764.html
new file mode 100644
index 0000000000..eba1bbf85f
--- /dev/null
+++ b/layout/generic/test/test_bug1623764.html
@@ -0,0 +1,292 @@
+<!DOCTYPE html>
+<title>Test Windows conventional caret movement behavior</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script src="/tests/SimpleTest/EventUtils.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
+<style>
+  [contenteditable] {
+    font-size: 14px;
+    font-family: monospace;
+    overflow-wrap: normal;
+    outline: none;
+    width: 35ch;
+  }
+  textarea {
+    font-size: 14px;
+    font-family: monospace;
+  }
+
+  .break-word {
+    overflow-wrap: break-word;
+  }
+</style>
+<div id="testDiv" contenteditable></div>
+<textarea id="testTextarea" cols=35></textarea>
+
+<script>
+// Call testEach(cases[i]) on console when debugging
+/**
+ * @type {TestCase[]}
+ *
+ * @typedef {object} TestCase
+ * @property {string} title
+ * @property {string} text Text on which the test runs.
+ *   The newlines and spaces will be auto-converted if needed.
+ * @property {boolean} [reverse] Test in both forward and backward directions
+ * @property {boolean} [backward] Move backward by cmd_wordPrevious
+ * @property {ElementSpecific} [div] Can be omitted when there is a bug
+ * @property {ElementSpecific} textarea
+ *
+ * @typedef {object} ElementSpecific
+ * @property {number} expectedOffset Expected offset after a caret move
+ * @property {number} [expectedNodeIndex] The index of child node with focus after a caret move.
+ *   -1 means the parent node.
+ * @property {number} [initialOffset=0] initialOffset offset before a caret move
+ * @property {number} [initialNodeIndex]
+ */
+
+const kFirstWordLength = "Supercalifragilisticexpialidocious".length; // 34
+const kParentNodeIndex = -1; // special value
+const cases = [
+  {
+    title: "Eats inline whitespaces after word",
+    text: "Supercalifragilisticexpialidocious foo bar fussball",
+    reverse: true,
+    div: {
+      expectedOffset: kFirstWordLength + 1
+    },
+    textarea: {
+      expectedOffset: kFirstWordLength + 1
+    }
+  },
+  {
+    title: "Eats inline whitespaces across a wrapped line after word",
+    text: "Supercalifragilisticexpialidocious       foo bar fussball",
+    reverse: true,
+    div: {
+      expectedOffset: kFirstWordLength + 7
+    },
+    textarea: {
+      expectedOffset: kFirstWordLength + 7
+    }
+  },
+  {
+    title: "Eats inline whitespaces across multiple wrapped lines after word",
+    text: `Supercalifragilisticexpialidocious                                                                 foo bar fussball`,
+    reverse: true,
+    div: {
+      expectedOffset: kFirstWordLength + 65
+    },
+    textarea: {
+      expectedOffset: kFirstWordLength + 65
+    }
+  },
+  {
+    title: "Eats inline whitespaces after a whole word and stop before a newline",
+    text: "Supercalifragilisticexpialidocious \nfoo bar fussball",
+    reverse: true,
+    div: {
+      expectedOffset: 1,
+      expectedNodeIndex: kParentNodeIndex
+    },
+    textarea: {
+      expectedOffset: kFirstWordLength + 1
+    }
+  },
+  {
+    title: "Eats inline whitespaces after a partial word and stop before a newline",
+    text: "Supercalifragilisticexpialidocious \nfoo bar fussball",
+    div: {
+      initialOffset: 5,
+      expectedOffset: 1,
+      expectedNodeIndex: kParentNodeIndex
+    },
+    textarea: {
+      initialOffset: 5,
+      expectedOffset: kFirstWordLength + 1
+    }
+  },
+  {
+    title: "Eats inline whitespaces without a word and stop before a newline",
+    text: "Supercalifragilisticexpialidocious \n      foo bar fussball",
+    // TODO(krosylight): Currently ClusterIterator internally skips trailing whitespace
+    // div: {
+    //   initialOffset: kFirstWordLength,
+    //   expectedOffset: 1,
+    //   expectedNodeIndex: kParentNodeIndex
+    // },
+    textarea: {
+      initialOffset: kFirstWordLength,
+      expectedOffset: kFirstWordLength + 1
+    }
+  },
+  {
+    title: "Jumps to the next line and eats inline whitespaces",
+    text: "Supercalifragilisticexpialidocious \n      foo bar fussball",
+    reverse: true,
+    div: {
+      initialOffset: kFirstWordLength + 1,
+      expectedOffset: 6,
+      expectedNodeIndex: 2
+    },
+    textarea: {
+      initialOffset: kFirstWordLength + 1,
+      expectedOffset: kFirstWordLength + 8
+    }
+  },
+  {
+    title: "Stops on whitespaces after word",
+    text: "Supercalifragilisticexpialidocious \n      foo bar fussball",
+    backward: true,
+    div: {
+      initialOffset: 8,
+      initialNodeIndex: 2,
+      expectedOffset: 6,
+      expectedNodeIndex: 2
+    },
+    textarea: {
+      initialOffset: 44, // middle of "foo"
+      expectedOffset: 42
+    }
+  },
+  // TODO(krosylight): Currently no way to tell a word break is from line wrapping
+  // {
+  //   title: "Ignore a word break introduced by line wrapping",
+  //   text: "Supercalifragilisticexpialidociouspostfix",
+  //   className: "narrow break-word",
+  //   div: {
+  //     expectedOffset: kFirstWordLength + 7
+  //   },
+  //   textarea: {
+  //     expectedOffset: kFirstWordLength + 7
+  //   }
+  // }
+  {
+    title: "Jump only one line at an empty line end",
+    text: "Supercalifragilisticexpialidocious \n\nfoo bar fussball",
+    reverse: true,
+    div: {
+      initialOffset: 2,
+      initialNodeIndex: kParentNodeIndex,
+      expectedOffset: 0,
+      expectedNodeIndex: 3
+    },
+    textarea: {
+      initialOffset: kFirstWordLength + 2,
+      expectedOffset: kFirstWordLength + 3
+    }
+  },
+  {
+    title: "Jump only one line at a non-empty line end",
+    text: "Supercalifragilisticexpialidocious \n\nfoo bar fussball",
+    reverse: true,
+    div: {
+      initialOffset: kFirstWordLength + 1,
+      expectedOffset: 2,
+      expectedNodeIndex: -1
+    },
+    textarea: {
+      initialOffset: kFirstWordLength + 1,
+      expectedOffset: kFirstWordLength + 2
+    }
+  },
+];
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(async () => {
+  await SpecialPowers.pushPrefEnv({
+    set: [["layout.word_select.eat_space_to_next_word", true]]
+  });
+  // Test on div first to prevent Bug 1623413
+  for (const testCase of cases) {
+    if (testCase.div) {
+      testOnDiv(testCase);
+    }
+  }
+  for (const testCase of cases) {
+    testOnTextarea(testCase);
+  }
+  SimpleTest.finish();
+});
+
+/** @param {TestCase} testCase */
+function testOnDiv(testCase) {
+  const {
+    title,
+    backward = false,
+    reverse = false,
+  } = testCase;
+  const {
+    initialOffset = 0,
+    expectedOffset,
+  } = testCase.div;
+  if (expectedOffset === undefined) {
+    throw new Error("`expectedOffset` must be defined.")
+  }
+
+  testDiv.innerHTML = testCase.text.replaceAll(/ {2}/g, " &nbsp;").replaceAll(/\n/g, "<br>");
+  const initialNode = childNode(testDiv, testCase.div.initialNodeIndex);
+  const expectedNode = childNode(testDiv, testCase.div.expectedNodeIndex);
+
+  const selection = getSelection();
+  selection.collapse(initialNode, initialOffset);
+
+  moveByWord(backward);
+
+  is(selection.focusNode, expectedNode, `focusNode in "${title}"`);
+  is(selection.focusOffset, expectedOffset, `focusOffset in "${title}"`);
+
+  if (reverse) {
+    selection.collapse(expectedNode, expectedOffset);
+
+    moveByWord(!backward);
+
+    is(selection.focusNode, initialNode, `focusNode with reversed selection in "${title}"`);
+    is(selection.focusOffset, initialOffset, `focusOffset with reversed selection in "${title}"`);
+  }
+}
+
+function testOnTextarea(testCase) {
+  const {
+    title,
+    backward = false,
+    reverse = false,
+  } = testCase;
+  const {
+    initialOffset = 0,
+    expectedOffset,
+  } = testCase.textarea;
+  if (expectedOffset === undefined) {
+    throw new Error("`expectedOffset` must be defined.")
+  }
+
+  testTextarea.value = testCase.text;
+  testTextarea.selectionStart = testTextarea.selectionEnd = initialOffset;
+  testTextarea.focus();
+
+  moveByWord(backward);
+
+  is(testTextarea.selectionStart, expectedOffset, `selectionStart in "${title}"`);
+
+  if (reverse) {
+    testTextarea.selectionStart = testTextarea.selectionEnd = expectedOffset;
+
+    moveByWord(!backward);
+
+    is(testTextarea.selectionStart, initialOffset, `selectionStart with reversed selection in "${title}"`);
+  }
+}
+
+function childNode(parent, index = 0) {
+  if (index === kParentNodeIndex) {
+    return parent;
+  }
+  return parent.childNodes[index];
+}
+
+/** @param {boolean} backward */
+function moveByWord(backward) {
+  const dir = backward ? "Previous" : "Next";
+  SpecialPowers.doCommand(window, `cmd_word${dir}`);
+}
+</script>
-- 
cgit v1.2.3

