diff --git a/test/built-ins/ShadowRealm/prototype/evaluate/errors-from-the-other-realm-is-wrapped-into-a-typeerror.js b/test/built-ins/ShadowRealm/prototype/evaluate/errors-from-the-other-realm-is-wrapped-into-a-typeerror.js
index fa5367a4d72..75171ffb5bb 100644
--- a/test/built-ins/ShadowRealm/prototype/evaluate/errors-from-the-other-realm-is-wrapped-into-a-typeerror.js
+++ b/test/built-ins/ShadowRealm/prototype/evaluate/errors-from-the-other-realm-is-wrapped-into-a-typeerror.js
@@ -19,3 +19,8 @@ assert.throws(SyntaxError, () => r.evaluate('...'), 'SyntaxError exposed to Pare
 assert.throws(TypeError, () => r.evaluate('throw 42'), 'throw primitive => TypeError');
 assert.throws(TypeError, () => r.evaluate('throw new ReferenceError("aaa")'), 'custom ctor => TypeError');
 assert.throws(TypeError, () => r.evaluate('throw new TypeError("aaa")'), 'Child TypeError => Parent TypeError');
+assert.throws(TypeError, () => r.evaluate('eval("...");'), 'syntaxerror parsing coming after runtime evaluation');
+assert.throws(TypeError, () => r.evaluate(`
+  'use strict';
+  eval("var public = 1;");
+`), 'strict-mode only syntaxerror parsing coming after runtime evaluation');
diff --git a/test/built-ins/ShadowRealm/prototype/evaluate/no-conditional-strict-mode.js b/test/built-ins/ShadowRealm/prototype/evaluate/no-conditional-strict-mode.js
new file mode 100644
index 00000000000..252b0b68650
--- /dev/null
+++ b/test/built-ins/ShadowRealm/prototype/evaluate/no-conditional-strict-mode.js
@@ -0,0 +1,34 @@
+// 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: >
+  The new realm has no conditional strict mode based on its outer realm
+info: |
+  This test should always run with the outer realm in both strict and non
+  strict mode to verify the realm code starts in non-strict mode.
+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();
+
+const res = r.evaluate(`
+  function lol() {
+    arguments = 42; // This would be a SyntaxError if in strict mode
+
+    return arguments;
+  }
+  lol;
+`);
+
+assert.sameValue(res(), 42);
+
+const res2 = r.evaluate('var public = 1; 42');
+
+assert.sameValue(res2, 42);
diff --git a/test/built-ins/ShadowRealm/prototype/evaluate/throws-syntaxerror-on-bad-syntax.js b/test/built-ins/ShadowRealm/prototype/evaluate/throws-syntaxerror-on-bad-syntax.js
new file mode 100644
index 00000000000..3df0089fccf
--- /dev/null
+++ b/test/built-ins/ShadowRealm/prototype/evaluate/throws-syntaxerror-on-bad-syntax.js
@@ -0,0 +1,30 @@
+// 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 throws a SyntaxError if the syntax can't be parsed
+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.throws(SyntaxError, () => r.evaluate('...'), 'SyntaxError exposed to Parent');
+assert.throws(SyntaxError, () => r.evaluate(`
+  "use strict";
+  throw "do not evaluate";
+  function lol(){
+    arguments = 1;
+  }
+`), 'Strict mode only SyntaxError, setting value to a fn arguments');
+assert.throws(SyntaxError, () => r.evaluate(`
+  "use strict";
+  throw "do not evaluate";
+  var public = 1;
+`), 'Strict mode only SyntaxError, var public');