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diff --git a/js/src/tests/test262/intl402/DateTimeFormat/constructor-options-style-conflict.js b/js/src/tests/test262/intl402/DateTimeFormat/constructor-options-style-conflict.js
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+++ b/js/src/tests/test262/intl402/DateTimeFormat/constructor-options-style-conflict.js
@@ -0,0 +1,47 @@
+// Copyright 2021 Kate Miháliková. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-createdatetimeformat
+description: >
+    Conflicting properties of dateStyle/timeStyle must be rejected with a TypeError for the options argument to the DateTimeFormat constructor.
+info: |
+    InitializeDateTimeFormat ( dateTimeFormat, locales, options )
+
+    ...
+    43. If dateStyle is not undefined or timeStyle is not undefined, then
+      a. If hasExplicitFormatComponents is true, then
+        i. Throw a TypeError exception.
+      b. If required is date and timeStyle is not undefined, then
+        i. Throw a TypeError exception.
+      c. If required is time and dateStyle is not undefined, then
+        i. Throw a TypeError exception.
+---*/
+
+
+// Table 4 - Property column + example value from Values column
+const conflictingOptions = [
+ [ "weekday", "short" ],
+ [ "era", "short" ],
+ [ "year", "numeric" ],
+ [ "month", "numeric" ],
+ [ "day", "numeric" ],
+ [ "dayPeriod", "short" ],
+ [ "hour", "numeric" ],
+ [ "minute", "numeric" ],
+ [ "second", "numeric" ],
+ [ "fractionalSecondDigits", 3 ],
+ [ "timeZoneName", "short" ],
+];
+
+for (const [ option, value ] of conflictingOptions) {
+  assert.throws(TypeError, function() {
+    new Intl.DateTimeFormat("en", { [option]: value, dateStyle: "short" });
+  }, `new Intl.DateTimeFormat("en", { ${option}: "${value}",  dateStyle: "short" }) throws TypeError`);
+
+  assert.throws(TypeError, function() {
+    new Intl.DateTimeFormat("en", { [option]: value, timeStyle: "short" });
+  }, `new Intl.DateTimeFormat("en", { ${option}: "${value}",  timeStyle: "short" }) throws TypeError`);
+}
+
+reportCompare(0, 0);