Add integration test for TBasket

Author: silverweed

roottest/root/tree/basket/CMakeLists.txt

@@ -8,3 +8,11 @@ ROOTTEST_ADD_TEST(basket
                   MACRO rundropbasket.C
                   COPY_TO_BUILDDIR DataTest3_cel.root
                   OUTREF dropbasket.ref)
+
+# corrupted.root contains a TTree "tree" with a corrupted TBasket that has fNevBufSize == 4 and fNevBuf == 4210752.
+# Since fNevBuf is much larger than fNevBufSize this would cause oob reads unless TBasket properly validates this.
+# Verify that it does.
+ROOTTEST_ADD_TEST(corrupted_basket
+                  COPY_TO_BUILDDIR corrupted.root
+                  COMMAND ${ROOT_root_CMD} -q -l -e "(new TFile(\"corrupted.root\"))->template Get<TTree>(\"tree\")->GetEntry(0)"
+                  PASSREGEX "Inconsistent length of the entry buffer. Refusing to deserialize.")