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diff --git a/binary_search_tool/full_bisect_test/main-bisect-test.sh b/binary_search_tool/full_bisect_test/main-bisect-test.sh
new file mode 100755
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+++ b/binary_search_tool/full_bisect_test/main-bisect-test.sh
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+#!/bin/bash
+#
+#  This script is the heart of the bisection test.  It assumes the good-objects
+#  and bad-objects directories have been created and populated.  It runs three
+#  bisection tests:
+#   Test 1.  use --file_args, and no pruning, which passes the object file list
+#            in a file, and stops as soon as it finds the first bad file.
+#   Test 2.  do not use --file_args, and no pruning.  The object files are passed
+#            directly on the command line; stop as soon as it finds the first
+#            bad file.
+#   Test 3.  use --file_args and --prune.  Pass the object file list in a file
+#            and run until it finds ALL the bad files (there are two of them).
+#
+
+SAVE_DIR=`pwd`
+
+DIR=full_bisect_test
+
+# Make sure you are running this script from the parent directory.
+if [[ ! -f "${DIR}/setup.sh" ]] ; then
+  echo "Cannot find ${DIR}/setup.sh.  You are running this from the wrong directory."
+  echo "You need to run this from toolchain-utils/binary_search_tool ."
+  exit 1
+fi
+
+# Run Test 1.
+${DIR}/setup.sh
+
+./binary_search_state.py --get_initial_items="${DIR}/get_initial_items.sh" \
+  --switch_to_good="${DIR}/switch_to_good.sh" \
+  --switch_to_bad="${DIR}/switch_to_bad.sh" \
+  --test_setup_script="${DIR}/test_setup.sh" \
+  --test_script="${DIR}/interactive_test.sh" \
+  --file_args &> /tmp/full_bisect_test.log
+
+${DIR}/cleanup.sh
+
+grep "Search complete. First bad version: " /tmp/full_bisect_test.log &> /dev/null
+test_status=$?
+
+if [[ ${test_status} -ne 0 ]] ; then
+  echo "Test 1 FAILED. See /tmp/full_bisect_test.log for details."
+  exit 1
+else
+  echo "Test 1 passed."
+fi
+
+cd ${SAVE_DIR}
+
+# Run Test 2.
+${DIR}/setup.sh
+
+./binary_search_state.py --get_initial_items="${DIR}/get_initial_items.sh" \
+  --switch_to_good="${DIR}/switch_to_good.sh" \
+  --switch_to_bad="${DIR}/switch_to_bad.sh" \
+  --test_setup_script="${DIR}/test_setup.sh" \
+  --test_script="${DIR}/interactive_test.sh" \
+  &> /tmp/full_bisect_test.log
+
+${DIR}/cleanup.sh
+
+grep "Search complete. First bad version: " /tmp/full_bisect_test.log &> /dev/null
+test_status=$?
+
+if [[ ${test_status} -ne 0 ]] ; then
+  echo "Test 2 FAILED. See /tmp/full_bisect_test.log for details."
+  exit 1
+else
+  echo "Test 2 passed."
+fi
+
+cd ${SAVE_DIR}
+
+# Run Test 3.
+${DIR}/setup.sh
+
+./binary_search_state.py --get_initial_items="${DIR}/get_initial_items.sh" \
+  --switch_to_good="${DIR}/switch_to_good.sh" \
+  --switch_to_bad="${DIR}/switch_to_bad.sh" \
+  --test_setup_script="${DIR}/test_setup.sh" \
+  --test_script="${DIR}/interactive_test.sh" \
+  --file_args --prune &> /tmp/full_bisect_test.log
+
+${DIR}/cleanup.sh
+
+grep "Bad items are: " /tmp/full_bisect_test.log | grep inorder_norecurse.o &> /dev/null
+test_status_1=$?
+
+grep "Bad items are: " /tmp/full_bisect_test.log | grep preorder_norecurse.o &> /dev/null
+test_status_2=$?
+
+if [[ ${test_status_1} -ne 0 ]] ; then
+  echo "Test 3 FAILED. See /tmp/full_bisect_test.log for details."
+  exit 1
+elif [[ ${test_status_2} -ne 0 ]] ; then
+  echo "Test 3 FAILED. See /tmp/full_bisect_test.log for details."
+  exit 1
+else
+  echo "Test 3 passed."
+fi
+
+# All tests passed!
+exit 0
+