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>
---
 .../tests/browser/bounds/browser_zero_area.js      | 118 +++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 accessible/tests/browser/bounds/browser_zero_area.js

(limited to 'accessible/tests/browser/bounds/browser_zero_area.js')

diff --git a/accessible/tests/browser/bounds/browser_zero_area.js b/accessible/tests/browser/bounds/browser_zero_area.js
new file mode 100644
index 0000000000..c0f9db2673
--- /dev/null
+++ b/accessible/tests/browser/bounds/browser_zero_area.js
@@ -0,0 +1,118 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* import-globals-from ../../mochitest/layout.js */
+
+async function testContentBounds(browser, acc, expectedWidth, expectedHeight) {
+  let [expectedX, expectedY] = await getContentBoundsForDOMElm(
+    browser,
+    getAccessibleDOMNodeID(acc)
+  );
+
+  let contentDPR = await getContentDPR(browser);
+  let [x, y, width, height] = getBounds(acc, contentDPR);
+  let prettyAccName = prettyName(acc);
+  is(x, expectedX, "Wrong x coordinate of " + prettyAccName);
+  is(y, expectedY, "Wrong y coordinate of " + prettyAccName);
+  is(width, expectedWidth, "Wrong width of " + prettyAccName);
+  is(height, expectedHeight, "Wrong height of " + prettyAccName);
+}
+/**
+ * Test accessible bounds with different combinations of overflow and
+ * non-zero frame area.
+ */
+addAccessibleTask(
+  `
+  <div id="a1" style="height:100px; width:100px; background:green;"></div>
+  <div id="a2" style="height:100px; width:100px; background:green;"><div style="height:300px; max-width: 300px; background:blue;"></div></div>
+  <div id="a3" style="height:0; width:0;"><div style="height:200px; width:200px; background:green;"></div></div>
+  `,
+  async function (browser, accDoc) {
+    const a1 = findAccessibleChildByID(accDoc, "a1");
+    const a2 = findAccessibleChildByID(accDoc, "a2");
+    const a3 = findAccessibleChildByID(accDoc, "a3");
+    await testContentBounds(browser, a1, 100, 100);
+    await testContentBounds(browser, a2, 100, 100);
+    await testContentBounds(browser, a3, 200, 200);
+  }
+);
+
+/**
+ * Ensure frames with zero area have their x, y coordinates correctly reported
+ * in bounds()
+ */
+addAccessibleTask(
+  `
+<br>
+<div id="a" style="height:0; width:0;"></div>
+`,
+  async function (browser, accDoc) {
+    const a = findAccessibleChildByID(accDoc, "a");
+    await testContentBounds(browser, a, 0, 0);
+  }
+);
+
+/**
+ * Ensure accessibles have accurately signed dimensions and position when
+ * offscreen.
+ */
+addAccessibleTask(
+  `
+<input type="radio" id="radio" style="left: -671091em; position: absolute;">
+`,
+  async function (browser, accDoc) {
+    const radio = findAccessibleChildByID(accDoc, "radio");
+    const contentDPR = await getContentDPR(browser);
+    const [x, y, width, height] = getBounds(radio, contentDPR);
+    ok(x < 0, "X coordinate should be negative");
+    ok(y > 0, "Y coordinate should be positive");
+    ok(width > 0, "Width should be positive");
+    ok(height > 0, "Height should be positive");
+    // Note: the exact values of x, y, width, and height
+    // are inconsistent with the DOM element values of those
+    // fields, so we don't check our bounds against them with
+    // `testContentBounds` here. DOM reports a negative width,
+    // positive height, and a slightly different (+/- 20)
+    // x and y.
+  }
+);
+
+/**
+ * Test height: 0 with align-items: flex-end. This causes the content to
+ * overflow above the frame's main rect.
+ */
+addAccessibleTask(
+  `
+<aside style="height: 0; display: flex; align-items: flex-end;">
+  <div id="inner0">testing</div>
+</aside>
+<aside style="height: 1; display: flex; align-items: flex-end;">
+  <div id="inner1">testing</div>
+</aside>
+  `,
+  async function (browser, docAcc) {
+    await testBoundsWithContent(docAcc, "inner0", browser);
+    await testBoundsWithContent(docAcc, "inner1", browser);
+  },
+  { chrome: true, topLevel: true, remoteIframe: true }
+);
+
+/**
+ * Test a div (block) inside a span (inline). This causes the span's primary
+ * frame to have an empty rect offset from its visible content.
+ */
+addAccessibleTask(
+  `
+<span id="span" tabindex="-1">
+  <div id="div">Testing</div>
+</span>
+  `,
+  async function (browser, docAcc) {
+    await testBoundsWithContent(docAcc, "span", browser);
+    await testBoundsWithContent(docAcc, "div", browser);
+  },
+  { chrome: true, topLevel: true, remoteIframe: true }
+);
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