From 834e992a7c4ca0f0e1935e01e23410bc1d95cc52 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Wed, 28 Feb 2018 22:26:26 -0500
Subject: [PATCH] add test for coroutine suspend with block

---
 test/cases/coroutines.zig | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/cases/coroutines.zig b/test/cases/coroutines.zig
index 2a5505360c..b2bed7a8a0 100644
--- a/test/cases/coroutines.zig
+++ b/test/cases/coroutines.zig
@@ -41,3 +41,21 @@ fn seq(c: u8) void {
     points[index] = c;
     index += 1;
 }
+
+test "coroutine suspend with block" {
+    const p = (async(std.debug.global_allocator) testSuspendBlock()) catch unreachable;
+    std.debug.assert(!result);
+    resume a_promise;
+    std.debug.assert(result);
+    cancel p;
+}
+
+var a_promise: promise = undefined;
+var result = false;
+
+async fn testSuspendBlock() void {
+    suspend |p| {
+        a_promise = p;
+    }
+    result = true;
+}