Typo fixes, add couple of tests

Author: kurkle

src/core/core.datasetController.js

@@ -860,7 +860,7 @@ export default class DatasetController {
 		const options = this.getStyle(index, active);
 		this._resolveAnimations(index, mode, active).update(element, {
 			// When going from active to inactive, we need to update to the shared options.
-			// This way the onche hovered element will end up with the same original shared options instance, after animation.
+			// This way the once hovered element will end up with the same original shared options instance, after animation.
 			options: (!active && this.getSharedOptions(options)) || options
 		});
 	}

test/specs/core.controller.tests.js

@@ -130,7 +130,7 @@ describe('Chart', function() {
 			expect(options.font.size).toBe(defaults.font.size);
 			expect(options.showLine).toBe(defaults.controllers.line.datasets.showLine);
 			expect(options.spanGaps).toBe(true);
-			// expect(options.hover.onHover).toBe(callback);
+			expect(options.hover.onHover).toBe(callback);
 			expect(options.hover.mode).toBe('test');
 
 			defaults.hover.onHover = null;

test/specs/helpers.options.tests.js

@@ -246,7 +246,7 @@ describe('Chart.helpers.options', function() {
 		});
 	});
 
-	describe('_crateResolver', function() {
+	describe('_createResolver', function() {
 		it('should resolve to raw values', function() {
 			const defaults = {
 				color: 'red',
@@ -405,7 +405,49 @@ describe('Chart.helpers.options', function() {
 			});
 		});
 
+		it('should resolve array of non-indexable objects properly', function() {
+			const defaults = {
+				label: {
+					value: 42,
+					text: (ctx) => ctx.text
+				},
+				labels: {
+					_fallback: 'label',
+					_indexable: false
+				}
+			};
+
+			const options = {
+				labels: [{text: 'a'}, {text: 'b'}, {value: 1}]
+			};
+			const opts = _attachContext(_createResolver([options, defaults]), {text: 'context'});
+			expect(opts.labels).toEqualOptions([
+				{
+					text: 'a',
+					value: 42
+				},
+				{
+					text: 'b',
+					value: 42
+				},
+				{
+					text: 'context',
+					value: 1
+				}
+			]);
+		});
+
 		describe('_indexable and _scriptable', function() {
+			it('should default to true', function() {
+				const options = {
+					array: [1, 2, 3],
+					func: (ctx) => ctx.index * 10
+				};
+				const opts = _attachContext(_createResolver([options]), {index: 1});
+				expect(opts.array).toEqual(2);
+				expect(opts.func).toEqual(10);
+			});
+
 			it('should allow false', function() {
 				const fn = () => 'test';
 				const options = {