From 26b286760c373082683e758358f36f2dfdafd629 Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Thu, 13 Sep 2018 18:18:44 +0000
Subject: Test that FX_TryRealloc failure leaves original contents intact

Change-Id: I2b1e5cc7a9576b5bb3bf3888225d1f6e54e0c95b
Reviewed-on: https://pdfium-review.googlesource.com/42051
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
---
 core/fxcrt/fx_memory_unittest.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/fxcrt/fx_memory_unittest.cpp b/core/fxcrt/fx_memory_unittest.cpp
index 8036855898..8c577835d6 100644
--- a/core/fxcrt/fx_memory_unittest.cpp
+++ b/core/fxcrt/fx_memory_unittest.cpp
@@ -68,7 +68,9 @@ TEST(fxcrt, FX_TryAllocOverflow) {
 
   ptr = FX_Alloc(int, 1);
   EXPECT_TRUE(ptr);
+  *ptr = 1492;  // Arbitrary sentinel.
   EXPECT_FALSE(FX_TryRealloc(int, ptr, kOverflowIntAlloc));
+  EXPECT_EQ(1492, *ptr);
   FX_Free(ptr);
 }
 #endif
-- 
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