source: gtest-1.7.0/xcode/Scripts/runtests.sh

#!/bin/bash
#
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# Executes the samples and tests for the Google Test Framework.

# Help the dynamic linker find the path to the libraries.
export DYLD_FRAMEWORK_PATH=$BUILT_PRODUCTS_DIR
export DYLD_LIBRARY_PATH=$BUILT_PRODUCTS_DIR

# Create some executables.
test_executables=("$BUILT_PRODUCTS_DIR/gtest_unittest-framework"
                  "$BUILT_PRODUCTS_DIR/gtest_unittest"
                  "$BUILT_PRODUCTS_DIR/sample1_unittest-framework"
                  "$BUILT_PRODUCTS_DIR/sample1_unittest-static")

# Now execute each one in turn keeping track of how many succeeded and failed. 
succeeded=0
failed=0
failed_list=()
for test in ${test_executables[*]}; do
  "$test"
  result=$?
  if [ $result -eq 0 ]; then
    succeeded=$(( $succeeded + 1 ))
  else
    failed=$(( failed + 1 ))
    failed_list="$failed_list $test"
  fi
done

# Report the successes and failures to the console.
echo "Tests complete with $succeeded successes and $failed failures."
if [ $failed -ne 0 ]; then
  echo "The following tests failed:"
  echo $failed_list
fi
exit $failed