Correct expectation of Infinity -Infinity and NaN

Bug: v8:9876
Change-Id: I2ca4512790e0a84b6f4ebd67bce76b7eb24eb33c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1867793Reviewed-by: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64439}

test/intl/intl.status

@@ -36,6 +36,11 @@
 
   # https://code.google.com/p/v8/issues/detail?id=9312
   'regress-9312': [FAIL],
+
+  # https://bugs.chromium.org/p/v8/issues/detail?id=9876
+  'number-format/unified/notation-engineering-formatToParts': [FAIL],
+  'number-format/unified/notation-scientific-formatToParts': [FAIL],
+
 }],  # ALWAYS
 
 ['variant == no_wasm_traps', {

test/intl/number-format/unified/notation-engineering-formatToParts.js

@@ -138,36 +138,21 @@ assertEquals("0", parts[3].value);
 assertEquals(4, parts.length);
 
 parts = nf.formatToParts(Infinity);
-// [{type: "infinity", value: "∞"}, {type: "exponentSeparator", value: "E"},
-//  {type: "exponentInteger", value: "0"}]
+// [{type: "infinity", value: "∞"}]
 assertEquals("infinity", parts[0].type);
 assertEquals("∞", parts[0].value);
-assertEquals("exponentSeparator", parts[1].type);
-assertEquals("E", parts[1].value);
-assertEquals("exponentInteger", parts[2].type);
-assertEquals("0", parts[2].value);
-assertEquals(3, parts.length);
+assertEquals(1, parts.length);
 
 parts = nf.formatToParts(-Infinity);
-// [{type: "minusSign", value: "-"}, {type: "infinity", value: "∞"},
-//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+// [{type: "minusSign", value: "-"}, {type: "infinity", value: "∞"}]
 assertEquals("minusSign", parts[0].type);
 assertEquals("-", parts[0].value);
 assertEquals("infinity", parts[1].type);
 assertEquals("∞", parts[1].value);
-assertEquals("exponentSeparator", parts[2].type);
-assertEquals("E", parts[2].value);
-assertEquals("exponentInteger", parts[3].type);
-assertEquals("0", parts[3].value);
-assertEquals(4, parts.length);
+assertEquals(2, parts.length);
 
 parts = nf.formatToParts(NaN);
-// [{type: "nan", value: "NaN"}, {type: "exponentSeparator", value: "E"},
-//  {type: "exponentInteger", value: "0"}]
+// [{type: "nan", value: "NaN"}]
 assertEquals("nan", parts[0].type);
 assertEquals("NaN", parts[0].value);
-assertEquals("exponentSeparator", parts[1].type);
-assertEquals("E", parts[1].value);
-assertEquals("exponentInteger", parts[2].type);
-assertEquals("0", parts[2].value);
-assertEquals(3, parts.length);
+assertEquals(1, parts.length);

test/intl/number-format/unified/notation-scientific-formatToParts.js

@@ -140,36 +140,21 @@ assertEquals("0", parts[3].value);
 assertEquals(4, parts.length);
 
 parts = nf.formatToParts(Infinity);
-// [{type: "infinity", value: "∞"}, {type: "exponentSeparator", value: "E"},
-//  {type: "exponentInteger", value: "0"}]
+// [{type: "infinity", value: "∞"}]
 assertEquals("infinity", parts[0].type);
 assertEquals("∞", parts[0].value);
-assertEquals("exponentSeparator", parts[1].type);
-assertEquals("E", parts[1].value);
-assertEquals("exponentInteger", parts[2].type);
-assertEquals("0", parts[2].value);
-assertEquals(3, parts.length);
+assertEquals(1, parts.length);
 
 parts = nf.formatToParts(-Infinity);
-// [{type: "minusSign", value: "-"}, {type: "infinity", value: "∞"},
-//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+// [{type: "minusSign", value: "-"}, {type: "infinity", value: "∞"}]
 assertEquals("minusSign", parts[0].type);
 assertEquals("-", parts[0].value);
 assertEquals("infinity", parts[1].type);
 assertEquals("∞", parts[1].value);
-assertEquals("exponentSeparator", parts[2].type);
-assertEquals("E", parts[2].value);
-assertEquals("exponentInteger", parts[3].type);
-assertEquals("0", parts[3].value);
-assertEquals(4, parts.length);
+assertEquals(2, parts.length);
 
 parts = nf.formatToParts(NaN);
-// [{type: "nan", value: "NaN"}, {type: "exponentSeparator", value: "E"},
-//  {type: "exponentInteger", value: "0"}]
+// [{type: "nan", value: "NaN"}]
 assertEquals("nan", parts[0].type);
 assertEquals("NaN", parts[0].value);
-assertEquals("exponentSeparator", parts[1].type);
-assertEquals("E", parts[1].value);
-assertEquals("exponentInteger", parts[2].type);
-assertEquals("0", parts[2].value);
-assertEquals(3, parts.length);
+assertEquals(1, parts.length);