diff --git a/test/intl402/NumberFormat/test-option-roundingPriority-mixed-options.js b/test/intl402/NumberFormat/test-option-roundingPriority-mixed-options.js
new file mode 100644
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+++ b/test/intl402/NumberFormat/test-option-roundingPriority-mixed-options.js
@@ -0,0 +1,94 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.numberformat.prototype.format
+description: Tests that the digits are determined correctly when specifying at same time «"minimumFractionDigits", "maximumFractionDigits", "minimumSignificantDigits", "maximumSignificantDigits"»
+features: [Intl.NumberFormat-v3]
+includes: [testIntl.js]
+---*/
+
+const locales = [new Intl.NumberFormat().resolvedOptions().locale, 'ar', 'de', 'th', 'ja'];
+
+const numberingSystems = ['arab', 'latn', 'thai', 'hanidec'];
+
+const expectedResults = {
+  'morePrecision': {
+    'same-minimums': { '1': '1.0', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.0' },
+    'same-maximums': { '1': '1', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2' },
+    'minSd-larger-minFd': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'minSd-smaller-minFd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+    'minSd-smaller-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+    'minSd-larger-maxFd': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'maxSd-larger-minFd': { '1': '1.0', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.0' },
+    'maxSd-smaller-minFd': { '1': '1.000', '1.500': '1.500', '1.625': '1.625', '1.750': '1.750', '1.875': '1.875', '2.000': '2.000' },
+    'maxSd-smaller-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+    'maxSd-larger-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2' },
+    'minSd-maxSd-smaller-minFd-maxFd': { '1': '1.000', '1.500': '1.500', '1.625': '1.625', '1.750': '1.750', '1.875': '1.875', '2.000': '2.000' },
+    'minSd-maxSd-larger-minFd-maxFd': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'same-minimums-maxFd-larger-maxSd': { '1': '1.0', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.0' },
+    'same-minimums-maxFd-smaller-maxSd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+  },
+  'lessPrecision': {
+    'same-minimums': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'same-maximums': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'minSd-larger-minFd': { '1': '1.0', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.0' },
+    'minSd-smaller-minFd': { '1': '1.000', '1.500': '1.500', '1.625': '1.625', '1.750': '1.750', '1.875': '1.875', '2.000': '2.000' },
+    'minSd-smaller-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+    'minSd-larger-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'maxSd-larger-minFd': { '1': '1', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2' },
+    'maxSd-smaller-minFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'maxSd-smaller-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'maxSd-larger-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'minSd-maxSd-smaller-minFd-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'minSd-maxSd-larger-minFd-maxFd': { '1': '1.0', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2.0' },
+    'same-minimums-maxFd-larger-maxSd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'same-minimums-maxFd-smaller-maxSd': { '1': '1.0', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2.0' },
+  },
+  'auto': {
+    'same-minimums': { '1': '1.0', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.0' },
+    'same-maximums': { '1': '1', '1.500': '1.50', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'minSd-larger-minFd': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'minSd-smaller-minFd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+    'minSd-smaller-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+    'minSd-larger-maxFd': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'maxSd-larger-minFd': { '1': '1', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2' },
+    'maxSd-smaller-minFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'maxSd-smaller-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'maxSd-larger-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.63', '1.750': '1.75', '1.875': '1.88', '2.000': '2' },
+    'minSd-maxSd-smaller-minFd-maxFd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'minSd-maxSd-larger-minFd-maxFd': { '1': '1.00', '1.500': '1.50', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2.00' },
+    'same-minimums-maxFd-larger-maxSd': { '1': '1', '1.500': '1.5', '1.625': '1.6', '1.750': '1.8', '1.875': '1.9', '2.000': '2' },
+    'same-minimums-maxFd-smaller-maxSd': { '1': '1', '1.500': '1.5', '1.625': '1.625', '1.750': '1.75', '1.875': '1.875', '2.000': '2' },
+  },
+};
+
+const optionsMatrix = {
+  'same-minimums': { minimumSignificantDigits: 2, minimumFractionDigits: 2 },
+  'same-maximums': { maximumSignificantDigits: 2, maximumFractionDigits: 2 },
+  'minSd-larger-minFd': { minimumSignificantDigits: 3, minimumFractionDigits: 1 },
+  'minSd-smaller-minFd': { minimumSignificantDigits: 1, minimumFractionDigits: 3 },
+  'minSd-smaller-maxFd': { minimumSignificantDigits: 1, maximumFractionDigits: 3 },
+  'minSd-larger-maxFd': { minimumSignificantDigits: 3, maximumFractionDigits: 1 },
+  'maxSd-larger-minFd': { maximumSignificantDigits: 3, minimumFractionDigits: 1 },
+  'maxSd-smaller-minFd': { maximumSignificantDigits: 2, minimumFractionDigits: 3 },
+  'maxSd-smaller-maxFd': { maximumSignificantDigits: 2, maximumFractionDigits: 3 },
+  'maxSd-larger-maxFd': { maximumSignificantDigits: 3, maximumFractionDigits: 1 },
+  'minSd-maxSd-smaller-minFd-maxFd': { minimumSignificantDigits: 1, maximumSignificantDigits: 2, minimumFractionDigits: 3, maximumFractionDigits: 4 },
+  'minSd-maxSd-larger-minFd-maxFd': { minimumSignificantDigits: 3, maximumSignificantDigits: 4, minimumFractionDigits: 1, maximumFractionDigits: 2 },
+  'same-minimums-maxFd-larger-maxSd': { minimumSignificantDigits: 1, maximumSignificantDigits: 2, minimumFractionDigits: 1, maximumFractionDigits: 4 },
+  'same-minimums-maxFd-smaller-maxSd': { minimumSignificantDigits: 1, maximumSignificantDigits: 4, minimumFractionDigits: 1, maximumFractionDigits: 2 },
+};
+
+function testPrecision(mode) {
+  Object.keys(optionsMatrix).forEach((key) => {
+  testNumberFormat(
+      locales,
+      numberingSystems,
+      { ...optionsMatrix[key], roundingPriority: mode, userGrouping: false },
+      expectedResults[mode][key]
+  );
+  });
+}
+
+['morePrecision', 'lessPrecision', 'auto'].forEach(testPrecision);