Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/js/src/tests/test262/harness/assert-throws-custom-typeerror.js b/js/src/tests/test262/harness/assert-throws-custom-typeerror.js
new file mode 100644
index 0000000000..b49ae1b5a6
--- /dev/null
+++ b/js/src/tests/test262/harness/assert-throws-custom-typeerror.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2021 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Functions that throw instances of the specified constructor function
+    satisfy the assertion, without collision with error constructors of the
+    same name.
+---*/
+
+var intrinsicTypeError = TypeError; 
+var threw = false;
+
+(function() {
+  function TypeError() {}
+
+  assert.throws(TypeError, function() {
+    throw new TypeError();
+  }, 'Throws an instance of the matching custom TypeError');
+
+  try {
+    assert.throws(intrinsicTypeError, function() {
+      throw new TypeError();
+    });
+  } catch (err) {
+    threw = true;
+    if (err.constructor !== Test262Error) {
+      throw new Error(
+        'Expected a Test262Error but a "' + err.constructor.name + 
+        '" was thrown.'
+      );
+    }
+  }
+
+  if (threw === false) {
+    throw new Error('Expected a Test262Error, but no error was thrown.');
+  }
+
+  threw = false;
+
+  try {
+    assert.throws(TypeError, function() {
+      throw new intrinsicTypeError();
+    });
+  } catch (err) {
+    threw = true;
+    if (err.constructor !== Test262Error) {
+      throw new Error(
+        'Expected a Test262Error but a "' + err.constructor.name + 
+        '" was thrown.'
+      );
+    }
+  }
+
+  if (threw === false) {
+    throw new Error('Expected a Test262Error, but no error was thrown.');
+  }
+})();
+
+reportCompare(0, 0);