Add test for #157.

tests/issue-157-consume-closed-channel.d

@@ -0,0 +1,29 @@
+/+ dub.sdl:
+	name "tests"
+	dependency "vibe-core" path=".."
++/
+module tests;
+
+import vibe.core.channel;
+import vibe.core.core;
+import core.time;
+
+void main()
+{
+	auto ch = createChannel!int();
+
+	auto p = runTask({
+		sleep(1.seconds);
+		ch.close();
+	});
+
+	auto c = runTask({
+		while (!ch.empty) {
+			try ch.consumeOne();
+			catch (Exception e) assert(false, e.msg);
+		}
+	});
+
+	p.join();
+	c.join();
+}