Ensure _.startCase only uppercases the first character of each word.

lodash.js

@@ -13208,17 +13208,17 @@
      * @returns {string} Returns the start cased string.
      * @example
      *
-     * _.startCase('--foo-bar');
+     * _.startCase('--foo-bar--');
      * // => 'Foo Bar'
      *
      * _.startCase('fooBar');
      * // => 'Foo Bar'
      *
-     * _.startCase('__foo_bar__');
+     * _.startCase('__FOO_BAR__');
-     * // => 'Foo Bar'
+     * // => 'FOO BAR'
      */
     var startCase = createCompounder(function(result, word, index) {
-      return result + (index ? ' ' : '') + capitalize(word);
+      return result + (index ? ' ' : '') + upperFirst(word);
     });
 
     /**

test/test.js

@@ -2090,7 +2090,7 @@
 
     var strings = [
       'foo bar', 'Foo bar', 'foo Bar', 'Foo Bar',
-      'FOO BAR', 'fooBar', '--foo-bar', '__foo_bar__'
+      'FOO BAR', 'fooBar', '--foo-bar--', '__foo_bar__'
     ];
 
     var converted = (function() {
@@ -2108,7 +2108,8 @@
       assert.expect(1);
 
       var actual = lodashStable.map(strings, function(string) {
-        return func(string) === converted;
+        var expected = (caseName == 'start' && string == 'FOO BAR') ? string : converted;
+        return func(string) === expected;
       });
 
       assert.deepEqual(actual, lodashStable.map(strings, alwaysTrue));
@@ -2118,7 +2119,8 @@
       assert.expect(1);
 
       var actual = lodashStable.map(strings, function(string) {
-        return func(func(string)) === converted;
+        var expected = (caseName == 'start' && string == 'FOO BAR') ? string : converted;
+        return func(func(string)) === expected;
       });
 
       assert.deepEqual(actual, lodashStable.map(strings, alwaysTrue));
@@ -19821,6 +19823,20 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('lodash.startCase');
+
+  (function() {
+    QUnit.test('should uppercase only the first character of each word', function(assert) {
+      assert.expect(3);
+
+      assert.strictEqual(_.startCase('--foo-bar--'), 'Foo Bar');
+      assert.strictEqual(_.startCase('fooBar'), 'Foo Bar');
+      assert.strictEqual(_.startCase('__FOO_BAR__'), 'FOO BAR');
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash.startsWith');
 
   (function() {