SkVarAlloc::approxBytesAllocated

tests/VarAllocTest.cpp

Index: tests/VarAllocTest.cpp
diff --git a/tests/VarAllocTest.cpp b/tests/VarAllocTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d6a288dccefbddb882ec6e50cde20c34d2b74e1c
--- /dev/null
+++ b/tests/VarAllocTest.cpp
@@ -0,0 +1,13 @@
+#include "Test.h"
+#include "SkVarAlloc.h"
+
+DEF_TEST(VarAlloc, r) {
+    SkVarAlloc va;
+    char* p = va.alloc(128, SK_MALLOC_THROW);
+    sk_bzero(p, 128);  // Just checking this is safe.
+
+#ifndef SK_BUILD_FOR_ANDROID
+    // This method will always return 0 on Android.
+    REPORTER_ASSERT(r, va.approxBytesAllocated() >= 128);
+#endif
+}