Squashed 'thirdparty/preact/' changes from b2d90cc..ba094e2

ba094e2 Run only local tests for pull requests (#390)
e9fc3c2 Fix CI build (#386)
70a5ca3 This adds a link to preact-i18nline. (#382)
5dffd85 Merge branch 'pr-fix-build-for-windows' of https://github.com/Download/preact
f14edf7 kilobits => kilobytes (#383)
c193547 Test for #292
284e4aa 6.4.0
24eab2f Prevent accidental duplicate recycling of elements when swapping the base element of a component. Fixes #373.
76c5ef7 fix lint error
8008886 When swapping the base of a composed child component, update its parent's base reference. Fixes #349.
fd4f21f Add an equality check prior to setting `.nodeValue` on text nodes, since Firefox (and maybe others) don't do this internally by default.  Fixes #368 - thanks @zbinlin!
1555e2b Add CDNJS version badge in readme (#365)
79c8bae Disable React Developer Tools integration tests under IE (#362)
84f4eeb Refactor `linkState()` a bit to drop around 40 bytes. Coincidentally, that's the exact size of the hooks just added for DevTools... 👌
22bbfcb Little tweaks 👯
f8b326e Document how to use the React DevTools with Preact (#354)
1f4a8eb Correct "preact/devtools" type definitions (#355)
68f22eb Add React Developer Tools integration (#339)
2a7a027 Add ref and allow objects in className (#316)
4a59cca fix readme todomvc link (#345)
37ca4e0 Fixes build for Windows #343
cf93387 6.3.0
ff05818 Make `VNode.children` *always* be an Array, even when there are no children.
9b095f4 Added link to preact-layout (#342)

git-subtree-dir: thirdparty/preact
git-subtree-split: ba094e27b602cb16aded7dcad95f71e44b7b0476

1 files changed, 20 insertions, 2 deletions

diff --git a/test/browser/refs.js b/test/browser/refs.js
index 89678b76e..337a9717b 100644
--- a/test/browser/refs.js
+++ b/test/browser/refs.js
@@ -200,8 +200,8 @@ describe('refs', () => {
 			</div>
 		), scratch);
 
-		expect(Foo.prototype.render).to.have.been.calledWithExactly({ a:'a' }, { }, { });
-		expect(Bar).to.have.been.calledWithExactly({ b:'b', ref:bar }, { });
+		expect(Foo.prototype.render).to.have.been.calledWithMatch({ ref:sinon.match.falsy, a:'a' }, { }, { });
+		expect(Bar).to.have.been.calledWithMatch({ b:'b', ref:bar }, { });
 	});
 
 	// Test for #232
@@ -284,4 +284,22 @@ describe('refs', () => {
 		expect(inst.handleMount.firstCall).to.have.been.calledWith(null);
 		expect(inst.handleMount.secondCall).to.have.been.calledWith(scratch.querySelector('#div'));
 	});
+
+
+	it('should add refs to components representing DOM nodes with no attributes if they have been pre-rendered', () => {
+		// Simulate pre-render
+		let parent = document.createElement('div');
+		let child = document.createElement('div');
+		parent.appendChild(child);
+		scratch.appendChild(parent); // scratch contains: <div><div></div></div>
+
+		let ref = spy('ref');
+
+		function Wrapper() {
+			return <div></div>;
+		}
+
+		render(<div><Wrapper ref={ref} /></div>, scratch, scratch.firstChild);
+		expect(ref).to.have.been.calledOnce.and.calledWith(scratch.firstChild.firstChild);
+	});
 });