From 26ab38f81c7e73127c14f63dcaff23f12e66d94a Mon Sep 17 00:00:00 2001
From: Oliver Scherer <github35764891676564198441@oli-obk.de>
Date: Fri, 16 Nov 2018 10:24:44 +0100
Subject: [PATCH] Add some integration tests

---
 tests/simple.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 tests/simple.rs

diff --git a/tests/simple.rs b/tests/simple.rs
new file mode 100644
index 0000000..4e4c46f
--- /dev/null
+++ b/tests/simple.rs
@@ -0,0 +1,24 @@
+extern crate stacker;
+
+const RED_ZONE: usize = 100*1024; // 100k
+const STACK_PER_RECURSION: usize = 1 * 1024 * 1024; // 1MB
+
+pub fn ensure_sufficient_stack<R, F: FnOnce() -> R + std::panic::UnwindSafe>(
+    f: F
+) -> R {
+    stacker::maybe_grow(RED_ZONE, STACK_PER_RECURSION, f)
+}
+
+#[inline(never)]
+fn recurse(n: usize) {
+    let x = [42u8; 50000];
+    if n != 0 {
+        ensure_sufficient_stack(|| recurse(n - 1));
+    }
+    drop(x);
+}
+
+#[test]
+fn foo() {
+    recurse(10000);
+}
\ No newline at end of file