From 2eef227c0d6b00e1ddc0b87ea0e2300d09780c5f Mon Sep 17 00:00:00 2001
From: Cristian Necula <virusz@gmail.com>
Date: Thu, 23 Mar 2017 14:37:29 +0200
Subject: [PATCH 1/2] (test) assert input's checked status after a DOM 'change'
 event

---
 .../binding-input-radio-group/_config.js      | 22 +++++++++++--------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/test/generator/samples/binding-input-radio-group/_config.js b/test/generator/samples/binding-input-radio-group/_config.js
index e42ef168f6..b557496533 100644
--- a/test/generator/samples/binding-input-radio-group/_config.js
+++ b/test/generator/samples/binding-input-radio-group/_config.js
@@ -16,15 +16,15 @@ export default {
 		<label>
 			<input type="radio"> Alpha
 		</label>
-		
+
 		<label>
 			<input type="radio"> Beta
 		</label>
-		
+
 		<label>
 			<input type="radio"> Gamma
 		</label>
-		
+
 		<p>Beta</p>`,
 
 	test ( assert, component, target, window ) {
@@ -42,18 +42,22 @@ export default {
 			<label>
 				<input type="radio"> Alpha
 			</label>
-			
+
 			<label>
 				<input type="radio"> Beta
 			</label>
-			
+
 			<label>
 				<input type="radio"> Gamma
 			</label>
-			
+
 			<p>Alpha</p>
 		` );
 
+		assert.equal( inputs[0].checked, true );
+		assert.equal( inputs[1].checked, false );
+		assert.equal( inputs[2].checked, false );
+
 		component.set({ selected: values[2] });
 		assert.equal( inputs[0].checked, false );
 		assert.equal( inputs[1].checked, false );
@@ -63,15 +67,15 @@ export default {
 			<label>
 				<input type="radio"> Alpha
 			</label>
-			
+
 			<label>
 				<input type="radio"> Beta
 			</label>
-			
+
 			<label>
 				<input type="radio"> Gamma
 			</label>
-			
+
 			<p>Gamma</p>
 		` );
 	}

From 3c9f82a7b6c9f9a96d4439c1d9d66760c12517c3 Mon Sep 17 00:00:00 2001
From: Cristian Necula <virusz@gmail.com>
Date: Thu, 23 Mar 2017 17:21:06 +0200
Subject: [PATCH 2/2] (fix:radio-groups) preserve the radio input's checked
 state after handling a state change

Do not manually toggle the input's checked state, the browser already does this for inputs in the same group.
https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XUL/Attribute/group
---
 src/generators/dom/visitors/attributes/addElementBinding.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/generators/dom/visitors/attributes/addElementBinding.js b/src/generators/dom/visitors/attributes/addElementBinding.js
index 98488351d6..769eeb91ff 100644
--- a/src/generators/dom/visitors/attributes/addElementBinding.js
+++ b/src/generators/dom/visitors/attributes/addElementBinding.js
@@ -59,9 +59,7 @@ export default function createBinding ( generator, node, attribute, current, loc
 			setter = deindent`
 				if ( !${local.name}.checked ) return;
 				${setter}
-				component._bindingGroups[${bindingGroup}].forEach( function ( input ) {
-					input.checked = false;
-				});`;
+			`;
 		}
 
 		const condition = type === 'checkbox' ?
@@ -158,4 +156,4 @@ function getBindingGroup ( generator, current, attribute, keypath ) {
 	}
 
 	return index;
-}
\ No newline at end of file
+}