diff --git a/test/intl402/NumberFormat/prototype/format/format-fraction-digits-precision.js b/test/intl402/NumberFormat/prototype/format/format-fraction-digits-precision.js
new file mode 100644
index 0000000000..c6035c93e0
--- /dev/null
+++ b/test/intl402/NumberFormat/prototype/format/format-fraction-digits-precision.js
@@ -0,0 +1,32 @@
+// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 11.3.2_TRF
+description: >
+    Tests that the digits are determined correctly when specifying
+    pre/post decimal digits.
+author: Norbert Lindenberg
+includes: [testIntl.js]
+---*/
+
+var locales = [
+    new Intl.NumberFormat().resolvedOptions().locale,
+    "ar", "de", "th", "ja"
+];
+var numberingSystems = [
+    "arab",
+    "latn",
+    "thai",
+    "hanidec"
+];
+var testData = {
+    // Ref tc39/ecma402#128
+    "12344501000000000000000000000000000": "12344501000000000487815444678311936.0",
+    "-12344501000000000000000000000000000": "-12344501000000000487815444678311936.0"
+};
+
+testNumberFormat(locales, numberingSystems,
+    {useGrouping: false, minimumIntegerDigits: 3, minimumFractionDigits: 1, maximumFractionDigits: 3},
+    testData);
diff --git a/test/intl402/NumberFormat/prototype/format/format-fraction-digits.js b/test/intl402/NumberFormat/prototype/format/format-fraction-digits.js
index 7aeeb43f12..20f3f3bc07 100644
--- a/test/intl402/NumberFormat/prototype/format/format-fraction-digits.js
+++ b/test/intl402/NumberFormat/prototype/format/format-fraction-digits.js
@@ -48,9 +48,6 @@ var testData = {
     "-0.0000000012344501": "-000.0",
     "123445.01": "123445.01",
     "-123445.01": "-123445.01",
-    // Ref tc39/ecma402#128
-    "12344501000000000000000000000000000": "12344501000000000487815444678311936.0",
-    "-12344501000000000000000000000000000": "-12344501000000000487815444678311936.0"
 };
 
 testNumberFormat(locales, numberingSystems,
diff --git a/test/intl402/NumberFormat/prototype/format/format-significant-digits-precision.js b/test/intl402/NumberFormat/prototype/format/format-significant-digits-precision.js
new file mode 100644
index 0000000000..0daff0aa34
--- /dev/null
+++ b/test/intl402/NumberFormat/prototype/format/format-significant-digits-precision.js
@@ -0,0 +1,32 @@
+// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 11.3.2_TRP
+description: >
+    Tests that the digits are determined correctly when specifying
+    significant digits.
+author: Norbert Lindenberg
+includes: [testIntl.js]
+---*/
+
+var locales = [
+    new Intl.NumberFormat().resolvedOptions().locale,
+    "ar", "de", "th", "ja"
+];
+var numberingSystems = [
+    "arab",
+    "latn",
+    "thai",
+    "hanidec"
+];
+var testData = {
+    // Ref tc39/ecma402#128
+    "123.44500": "123.44",
+    "-123.44500": "-123.44",
+};
+
+testNumberFormat(locales, numberingSystems,
+    {useGrouping: false, minimumSignificantDigits: 3, maximumSignificantDigits: 5},
+    testData);
diff --git a/test/intl402/NumberFormat/prototype/format/format-significant-digits.js b/test/intl402/NumberFormat/prototype/format/format-significant-digits.js
index 15ed8d9ca4..fb513a0241 100644
--- a/test/intl402/NumberFormat/prototype/format/format-significant-digits.js
+++ b/test/intl402/NumberFormat/prototype/format/format-significant-digits.js
@@ -32,9 +32,6 @@ var testData = {
     "-123.45": "-123.45",
     "123.44499": "123.44",
     "-123.44499": "-123.44",
-    // Ref tc39/ecma402#128
-    "123.44500": "123.44",
-    "-123.44500": "-123.44",
     "123.44501": "123.45",
     "-123.44501": "-123.45",
     "0.001234": "0.001234",