From 8429d4ceac4eb99fbe8aeca2ebe864dfd5b40470 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Wed, 28 Feb 2018 22:18:48 -0500
Subject: implement coroutine resume

---
 test/cases/coroutines.zig | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'test')

diff --git a/test/cases/coroutines.zig b/test/cases/coroutines.zig
index f5e70774fa..2a5505360c 100644
--- a/test/cases/coroutines.zig
+++ b/test/cases/coroutines.zig
@@ -14,3 +14,30 @@ async fn simpleAsyncFn() void {
     suspend;
     x += 1;
 }
+
+test "coroutine suspend, resume, cancel" {
+    seq('a');
+    const p = (async(std.debug.global_allocator) testAsyncSeq()) catch unreachable;
+    seq('c');
+    resume p;
+    seq('f');
+    cancel p;
+    seq('g');
+
+    assert(std.mem.eql(u8, points, "abcdefg"));
+}
+
+async fn testAsyncSeq() void {
+    defer seq('e');
+
+    seq('b');
+    suspend;
+    seq('d');
+}
+var points = []u8{0} ** "abcdefg".len;
+var index: usize = 0;
+
+fn seq(c: u8) void {
+    points[index] = c;
+    index += 1;
+}
-- 
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