From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:47:29 +0200
Subject: Adding upstream version 115.8.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 memory/volatile/tests/TestVolatileBuffer.cpp | 100 +++++++++++++++++++++++++++
 memory/volatile/tests/moz.build              |  11 +++
 2 files changed, 111 insertions(+)
 create mode 100644 memory/volatile/tests/TestVolatileBuffer.cpp
 create mode 100644 memory/volatile/tests/moz.build

(limited to 'memory/volatile/tests')

diff --git a/memory/volatile/tests/TestVolatileBuffer.cpp b/memory/volatile/tests/TestVolatileBuffer.cpp
new file mode 100644
index 0000000000..e9e9699ec6
--- /dev/null
+++ b/memory/volatile/tests/TestVolatileBuffer.cpp
@@ -0,0 +1,100 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+#include "mozilla/VolatileBuffer.h"
+#include <string.h>
+
+#if defined(ANDROID)
+#  include <fcntl.h>
+#  include <linux/ashmem.h>
+#  include <sys/ioctl.h>
+#  include <sys/stat.h>
+#  include <sys/types.h>
+#elif defined(XP_DARWIN)
+#  include <mach/mach.h>
+#endif
+
+using namespace mozilla;
+
+TEST(VolatileBufferTest, HeapVolatileBuffersWork)
+{
+  RefPtr<VolatileBuffer> heapbuf = new VolatileBuffer();
+
+  ASSERT_TRUE(heapbuf)
+  << "Failed to create VolatileBuffer";
+  ASSERT_TRUE(heapbuf->Init(512))
+  << "Failed to initialize VolatileBuffer";
+
+  VolatileBufferPtr<char> ptr(heapbuf);
+
+  EXPECT_FALSE(ptr.WasBufferPurged())
+      << "Buffer should not be purged immediately after initialization";
+  EXPECT_TRUE(ptr) << "Couldn't get pointer from VolatileBufferPtr";
+}
+
+TEST(VolatileBufferTest, RealVolatileBuffersWork)
+{
+  RefPtr<VolatileBuffer> buf = new VolatileBuffer();
+
+  ASSERT_TRUE(buf)
+  << "Failed to create VolatileBuffer";
+  ASSERT_TRUE(buf->Init(16384))
+  << "Failed to initialize VolatileBuffer";
+
+  const char teststr[] = "foobar";
+
+  {
+    VolatileBufferPtr<char> ptr(buf);
+
+    EXPECT_FALSE(ptr.WasBufferPurged())
+        << "Buffer should not be purged immediately after initialization";
+    EXPECT_TRUE(ptr) << "Couldn't get pointer from VolatileBufferPtr";
+
+    {
+      VolatileBufferPtr<char> ptr2(buf);
+
+      EXPECT_FALSE(ptr.WasBufferPurged())
+          << "Failed to lock buffer again while currently locked";
+      ASSERT_TRUE(ptr2)
+      << "Didn't get a pointer on the second lock";
+
+      strcpy(ptr2, teststr);
+    }
+  }
+
+  {
+    VolatileBufferPtr<char> ptr(buf);
+
+    EXPECT_FALSE(ptr.WasBufferPurged())
+        << "Buffer was immediately purged after unlock";
+    EXPECT_STREQ(ptr, teststr) << "Buffer failed to retain data after unlock";
+  }
+
+  // Test purging if we know how to
+#if defined(XP_DARWIN)
+  int state;
+  vm_purgable_control(mach_task_self(), (vm_address_t)NULL,
+                      VM_PURGABLE_PURGE_ALL, &state);
+#else
+  return;
+#endif
+
+  EXPECT_GT(buf->NonHeapSizeOfExcludingThis(), 0ul)
+      << "Buffer should not be allocated on heap";
+
+  {
+    VolatileBufferPtr<char> ptr(buf);
+
+    EXPECT_TRUE(ptr.WasBufferPurged())
+        << "Buffer should not be unpurged after forced purge";
+    EXPECT_STRNE(ptr, teststr) << "Purge did not actually purge data";
+  }
+
+  {
+    VolatileBufferPtr<char> ptr(buf);
+
+    EXPECT_FALSE(ptr.WasBufferPurged()) << "Buffer still purged after lock";
+  }
+}
diff --git a/memory/volatile/tests/moz.build b/memory/volatile/tests/moz.build
new file mode 100644
index 0000000000..31201db9d4
--- /dev/null
+++ b/memory/volatile/tests/moz.build
@@ -0,0 +1,11 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES = [
+    "TestVolatileBuffer.cpp",
+]
+
+FINAL_LIBRARY = "xul-gtest"
-- 
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