From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:47:29 +0200
Subject: Adding upstream version 115.8.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dom/encoding/test/unit/head.js | 136 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 dom/encoding/test/unit/head.js

(limited to 'dom/encoding/test/unit/head.js')

diff --git a/dom/encoding/test/unit/head.js b/dom/encoding/test/unit/head.js
new file mode 100644
index 0000000000..6608f000c9
--- /dev/null
+++ b/dom/encoding/test/unit/head.js
@@ -0,0 +1,136 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ *
+ * This is a shim for the W3C testharness.js, mapping those of
+ * its functions that we need to the testing/xpcshell/head.js API.
+ * See <http://www.w3.org/2008/webapps/wiki/Harness> for documentation.
+ * This shim does some tests a little differently than the W3C test
+ * harness; equality comparisons, especially, are less precise.
+ * The difference does not presently affect any test results.
+ *
+ * We use the lower-level do_report_result throughout this file,
+ * rather than the high-level xpcshell/head.js API that has near
+ * equivalents for the W3C assert_* functions, because only
+ * do_report_result allows us to provide Components.stack.caller.
+ */
+
+function assert_equals(a, b, msg) {
+  let text =
+    msg +
+    ": " +
+    _wrap_with_quotes_if_necessary(a) +
+    " == " +
+    _wrap_with_quotes_if_necessary(b);
+  do_report_result(a == b, text, Components.stack.caller, false);
+}
+
+function assert_not_equals(a, b, msg) {
+  let text =
+    msg +
+    ": " +
+    _wrap_with_quotes_if_necessary(a) +
+    " != " +
+    _wrap_with_quotes_if_necessary(b);
+  do_report_result(a != b, text, Components.stack.caller, false);
+}
+
+function assert_array_equals(a, b, msg) {
+  do_report_result(
+    a.length == b.length,
+    msg + ": (length) " + a.length + " == " + b.length,
+    Components.stack.caller,
+    false
+  );
+  for (let i = 0; i < a.length; ++i) {
+    if (a[i] !== b[i]) {
+      do_report_result(
+        false,
+        msg +
+          ": [" +
+          i +
+          "] " +
+          _wrap_with_quotes_if_necessary(a[i]) +
+          " === " +
+          _wrap_with_quotes_if_necessary(b[i]),
+        Components.stack.caller,
+        false
+      );
+    }
+  }
+  // If we get here, all array elements are equal.
+  do_report_result(
+    true,
+    msg + ": all array elements equal",
+    Components.stack.caller,
+    false
+  );
+}
+
+function assert_true(cond, msg) {
+  do_report_result(
+    !!cond,
+    msg + ": " + uneval(cond),
+    Components.stack.caller,
+    false
+  );
+}
+
+function assert_throws(ex, func) {
+  if (!("name" in ex)) {
+    do_throw(
+      "first argument to assert_throws must be of the form " +
+        "{'name': something}"
+    );
+  }
+
+  let msg = "expected to catch an exception named " + ex.name;
+
+  try {
+    func();
+  } catch (e) {
+    if ("name" in e) {
+      do_report_result(
+        e.name == ex.name,
+        msg + ", got " + e.name,
+        Components.stack.caller,
+        false
+      );
+    } else {
+      do_report_result(
+        false,
+        msg + ", got " + legible_exception(ex),
+        Components.stack.caller,
+        false
+      );
+    }
+
+    return;
+  }
+
+  // Call this here, not in the 'try' clause, so do_report_result's own
+  // throw doesn't get caught by our 'catch' clause.
+  do_report_result(
+    false,
+    msg + ", but returned normally",
+    Components.stack.caller,
+    false
+  );
+}
+
+var tests = [];
+
+function test(func, msg) {
+  tests.push({
+    msg,
+    func,
+    filename: Components.stack.caller.filename,
+  });
+}
+
+function run_test() {
+  tests.forEach(function (t) {
+    info(`test group: ${t.msg}, {source_file: ${t.filename}}`);
+    t.func();
+  });
+}
-- 
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