in .fire always set calling flag back to false (#1587)

* in .fire always set calling flag back to false (#1573)

* update expected bundles

src/shared/index.js

@@ -47,11 +47,14 @@ export function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 export function get() {

test/cli/samples/basic/expected/Main.js

@@ -100,11 +100,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/custom-element/expected/Main.js

@@ -121,11 +121,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dev/expected/Main.js

@@ -121,11 +121,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dir-sourcemap/expected/Main.js

@@ -1,4 +1,4 @@
-/* src/Main.html generated by Svelte v2.7.2 */
+/* src/Main.html generated by Svelte vx.y.z */
 import Widget from './Widget.html';
 
 
@@ -108,11 +108,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dir-sourcemap/expected/Main.js.map

@@ -1 +1 @@
-{"version":3,"file":"Main.js","sources":["../src/Main.html"],"sourcesContent":["<Widget/>\n\n<script>\n\timport Widget from './Widget.html';\n\n\texport default {\n\t\tcomponents: {\n\t\t\tWidget\n\t\t}\n\t};\n</script>"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}
+{"version":3,"file":"Main.js","sources":["../src/Main.html"],"sourcesContent":["<Widget/>\n\n<script>\n\timport Widget from './Widget.html';\n\n\texport default {\n\t\tcomponents: {\n\t\t\tWidget\n\t\t}\n\t};\n</script>"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}

test/cli/samples/dir-sourcemap/expected/Widget.js

@@ -1,4 +1,4 @@
-/* src/Widget.html generated by Svelte v2.7.2 */
+/* src/Widget.html generated by Svelte vx.y.z */
 
 function create_main_fragment(component, ctx) {
 	var p;
@@ -100,11 +100,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dir-sourcemap/expected/Widget.js.map

@@ -1 +1 @@
-{"version":3,"file":"Widget.js","sources":["../src/Widget.html"],"sourcesContent":["<p>widget</p>"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}
+{"version":3,"file":"Widget.js","sources":["../src/Widget.html"],"sourcesContent":["<p>widget</p>"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}

test/cli/samples/dir-subdir/expected/Main.js

@@ -108,11 +108,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dir-subdir/expected/widget/Widget.js

@@ -100,11 +100,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dir/expected/Main.js

@@ -108,11 +108,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/dir/expected/Widget.js

@@ -100,11 +100,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/globals/expected/Main.js

@@ -121,12 +121,15 @@ var Main = (function(answer) { "use strict";
 			var handler = handlers[i];
 
 			if (!handler.__calling) {
+				try {
 					handler.__calling = true;
 					handler.call(this, data);
+				} finally {
 					handler.__calling = false;
 				}
 			}
 		}
+	}
 
 	function on(eventName, handler) {
 		var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);

test/cli/samples/sourcemap-inline/expected/Main.js

@@ -100,11 +100,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {
@@ -166,4 +169,4 @@ function callAll(fns) {
 	while (fns && fns.length) fns.shift()();
 }
 export default Main;
-//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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

test/cli/samples/sourcemap/expected/Main.js

@@ -100,11 +100,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/cli/samples/sourcemap/expected/Main.js.map

@@ -1 +1 @@
-{"version":3,"file":"Main.js","sources":["../src/Main.html"],"sourcesContent":["<p>Hello world!</p>\n\n<script>\n\texport default {\n\t\tonrender () {\n\t\t\tconsole.log( 'here' );\n\t\t}\n\t};\n</script>"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}
+{"version":3,"file":"Main.js","sources":["../src/Main.html"],"sourcesContent":["<p>Hello world!</p>\n\n<script>\n\texport default {\n\t\tonrender () {\n\t\t\tconsole.log( 'here' );\n\t\t}\n\t};\n</script>"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}

test/cli/samples/store/expected/Main.js

@@ -120,11 +120,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function on(eventName, handler) {

test/js/samples/action/expected-bundle.js

@@ -44,11 +44,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/bind-width-height/expected-bundle.js

@@ -76,11 +76,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/collapses-text-around-comments/expected-bundle.js

@@ -52,11 +52,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/component-static-array/expected-bundle.js

@@ -32,11 +32,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/component-static-immutable/expected-bundle.js

@@ -36,11 +36,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/component-static-immutable2/expected-bundle.js

@@ -36,11 +36,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/component-static/expected-bundle.js

@@ -32,11 +32,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/computed-collapsed-if/expected-bundle.js

@@ -32,11 +32,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/css-media-query/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/css-shadow-dom-keyframes/expected-bundle.js

@@ -44,11 +44,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/deconflict-builtins/expected-bundle.js

@@ -62,11 +62,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/deconflict-globals/expected-bundle.js

@@ -37,11 +37,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/dev-warning-missing-data-computed/expected-bundle.js

@@ -65,11 +65,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/do-use-dataset/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/dont-use-dataset-in-legacy/expected-bundle.js

@@ -52,11 +52,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/dont-use-dataset-in-svg/expected-bundle.js

@@ -52,11 +52,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/each-block-changed-check/expected-bundle.js

@@ -64,11 +64,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/each-block-keyed-animated/expected-bundle.js

@@ -367,11 +367,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/each-block-keyed/expected-bundle.js

@@ -147,11 +147,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/event-handlers-custom/expected-bundle.js

@@ -44,11 +44,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/head-no-whitespace/expected-bundle.js

@@ -44,11 +44,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/if-block-no-update/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/if-block-simple/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/inline-style-optimized-multiple/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/inline-style-optimized-url/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/inline-style-optimized/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/inline-style-unoptimized/expected-bundle.js

@@ -48,11 +48,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/input-range/expected-bundle.js

@@ -60,11 +60,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/input-without-blowback-guard/expected-bundle.js

@@ -56,11 +56,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/legacy-input-type/expected-bundle.js

@@ -50,11 +50,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/media-bindings/expected-bundle.js

@@ -60,11 +60,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/non-imported-component/expected-bundle.js

@@ -46,11 +46,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/setup-method/expected-bundle.js

@@ -32,11 +32,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/svg-title/expected-bundle.js

@@ -52,11 +52,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/title/expected-bundle.js

@@ -32,11 +32,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/use-elements-as-anchors/expected-bundle.js

@@ -56,11 +56,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/js/samples/window-binding-scroll/expected-bundle.js

@@ -52,11 +52,14 @@ function fire(eventName, data) {
 		var handler = handlers[i];
 
 		if (!handler.__calling) {
+			try {
 				handler.__calling = true;
 				handler.call(this, data);
+			} finally {
 				handler.__calling = false;
 			}
 		}
+	}
 }
 
 function get() {

test/runtime/samples/component-events-fire-finally/_config.js

@@ -0,0 +1,23 @@
+export default {
+	test(assert, component) {
+		const events = [];
+		component.on('foo', (shouldThrow) => {
+			events.push(shouldThrow);
+			if (shouldThrow) {
+				throw new Error();
+			}
+		});
+		component.fire('foo', false);
+		assert.equal(events.toString(), 'false');
+		let threw = false;
+		try {
+			component.fire('foo', true);
+		} catch (err) {
+			threw = true;
+		}
+		assert.equal(threw, true);
+		assert.equal(events.toString(), 'false,true');
+		component.fire('foo', false);
+		assert.equal(events.toString(), 'false,true,false');
+	},
+};

test/runtime/samples/component-events-fire-finally/main.html

@@ -0,0 +1 @@
+Foo