From a36b51f0c3c176d4107e7ea84a4c0dd51197b8dd Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Thu, 21 Mar 2019 14:54:16 +0100
Subject: Fix MmapPool private tests; move remaining tests

---
 middle/tanya/memory/mmappool.d | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'middle')

diff --git a/middle/tanya/memory/mmappool.d b/middle/tanya/memory/mmappool.d
index 05f71c6..b6cd7d0 100644
--- a/middle/tanya/memory/mmappool.d
+++ b/middle/tanya/memory/mmappool.d
@@ -501,3 +501,20 @@ final class MmapPool : Allocator
     }
     private alias Block = shared BlockEntry*;
 }
+
+@nogc nothrow pure @system unittest
+{
+    // allocate() check.
+    size_t tooMuchMemory = size_t.max
+                         - MmapPool.alignment_
+                         - BlockEntry.sizeof * 2
+                         - RegionEntry.sizeof
+                         - pageSize;
+    assert(MmapPool.instance.allocate(tooMuchMemory) is null);
+
+    assert(MmapPool.instance.allocate(size_t.max) is null);
+
+    // initializeRegion() check.
+    tooMuchMemory = size_t.max - MmapPool.alignment_;
+    assert(MmapPool.instance.allocate(tooMuchMemory) is null);
+}
-- 
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