From a2fda50da28a7ef168227322f4df830130c174ce Mon Sep 17 00:00:00 2001
From: Joshua Ohlman <codewriterohs@gmail.com>
Date: Sat, 4 Jul 2015 08:05:03 -0500
Subject: [PATCH] Revert "valueOf should return NaN for any invalid moment"

This reverts commit c314f03a9b7153fcab55942878a9899ad74ce73e.
---
 src/lib/moment/to-type.js  |  3 ---
 src/test/moment/invalid.js |  8 --------
 src/test/moment/is_same.js | 12 ------------
 3 files changed, 23 deletions(-)

diff --git a/src/lib/moment/to-type.js b/src/lib/moment/to-type.js
index c8831adee..edc1338d1 100644
--- a/src/lib/moment/to-type.js
+++ b/src/lib/moment/to-type.js
@@ -1,7 +1,4 @@
 export function valueOf () {
-    if (!this.isValid()) {
-        return NaN;
-    }
     return +this._d - ((this._offset || 0) * 60000);
 }
 
diff --git a/src/test/moment/invalid.js b/src/test/moment/invalid.js
index b03b81461..599a6ddc9 100644
--- a/src/test/moment/invalid.js
+++ b/src/test/moment/invalid.js
@@ -25,11 +25,3 @@ test('invalid with custom flag', function (assert) {
     assert.equal(m.parsingFlags().tooBusyWith, 'reiculating splines');
     assert.ok(isNaN(m.valueOf()));
 });
-
-test('invalid with valid date', function (assert) {
-    var m = moment.invalid();
-    m._d = new Date();
-    assert.equal(m.isValid(), false);
-    assert.equal(m.parsingFlags().userInvalidated, true);
-    assert.ok(isNaN(m.valueOf()));
-});
diff --git a/src/test/moment/is_same.js b/src/test/moment/is_same.js
index 8971fe2cf..31794ce78 100644
--- a/src/test/moment/is_same.js
+++ b/src/test/moment/is_same.js
@@ -145,15 +145,3 @@ test('is same with utc offset moments', function (assert) {
     assert.ok(moment.parseZone('2013-02-01T-05:00').isSame(moment.parseZone('2013-02-01T-06:30'), 'year'),
             'zoned vs (differently) zoned moment');
 });
-
-test('is same with invalid moments', function (assert) {
-    assert.equal(moment.invalid().isSame(moment.invalid()), false, 'invalid moments are not considered equal');
-    assert.equal(moment.invalid().year(2010).isSame(moment.invalid().year(2010)), false, 'with year set');
-    assert.equal(moment.invalid().month(10).isSame(moment.invalid().month(10)), false, 'with month set');
-    assert.equal(moment.invalid().week(2).isSame(moment.invalid().week(2)), false, 'with week set');
-    assert.equal(moment.invalid().day(2).isSame(moment.invalid().day(2)), false, 'with day set');
-    assert.equal(moment.invalid().hour(2).isSame(moment.invalid().hour(2)), false, 'with hour set');
-    assert.equal(moment.invalid().minute(2).isSame(moment.invalid().minute(2)), false, 'with minute set');
-    assert.equal(moment.invalid().second(2).isSame(moment.invalid().second(2)), false, 'with second set');
-    assert.equal(moment.invalid().millisecond(2).isSame(moment.invalid().millisecond(2)), false, 'with millisecond set');
-});
-- 
2.47.3