1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/returns-primitive-values.js b/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/returns-primitive-values.js
new file mode 100644
index 0000000000..fe6e1ee585
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/returns-primitive-values.js
@@ -0,0 +1,31 @@
+// |reftest| shell-option(--enable-shadow-realms) skip-if(!xulRuntime.shell) -- requires shell-options
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-shadowrealm.prototype.evaluate
+description: >
+  ShadowRealm.prototype.evaluate returns primitive values
+features: [ShadowRealm]
+---*/
+
+assert.sameValue(
+  typeof ShadowRealm.prototype.evaluate,
+  'function',
+  'This test must fail if ShadowRealm.prototype.evaluate is not a function'
+);
+
+const r = new ShadowRealm();
+
+assert.sameValue(r.evaluate('1 + 1'), 2);
+assert.sameValue(r.evaluate('null'), null);
+assert.sameValue(r.evaluate(''), undefined, 'undefined from empty completion');
+assert.sameValue(r.evaluate('undefined'), undefined);
+assert.sameValue(r.evaluate('true'), true);
+assert.sameValue(r.evaluate('false'), false);
+assert.sameValue(r.evaluate('function fn() {}'), undefined, 'fn declaration has empty completion');
+assert.sameValue(r.evaluate('{}'), undefined, 'Block has empty completion');
+assert.sameValue(r.evaluate('-0'), -0);
+assert.sameValue(r.evaluate('"str"'), 'str');
+assert(Number.isNaN(r.evaluate('NaN')));
+
+reportCompare(0, 0);