Fix unit tests to initialize PartitionAlloc.

Tests need to be subclasses of FPDF_Test.

BUG=pdfium:700

Change-Id: I317ec2c49567e58cb57c6222e387574226f594b3
Reviewed-on: https://pdfium-review.googlesource.com/3890
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Chris Palmer <palmer@chromium.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/core/fxcrt/fx_basic_memmgr.cpp b/core/fxcrt/fx_basic_memmgr.cpp
index 06568c04ad..f3aaa3678d 100644
--- a/core/fxcrt/fx_basic_memmgr.cpp
+++ b/core/fxcrt/fx_basic_memmgr.cpp
@@ -11,6 +11,16 @@
 pdfium::base::PartitionAllocatorGeneric gArrayBufferPartitionAllocator;
 pdfium::base::PartitionAllocatorGeneric gStringPartitionAllocator;
 
+void FXMEM_InitalizePartitionAlloc() {
+  static bool s_gPartitionAllocatorsInitialized = false;
+  if (!s_gPartitionAllocatorsInitialized) {
+    pdfium::base::PartitionAllocGlobalInit(FX_OutOfMemoryTerminate);
+    gArrayBufferPartitionAllocator.init();
+    gStringPartitionAllocator.init();
+    s_gPartitionAllocatorsInitialized = true;
+  }
+}
+
 void* FXMEM_DefaultAlloc(size_t byte_size, int flags) {
   return (void*)malloc(byte_size);
 }