diff --git a/cmake/std/atdm/CMakeLists.txt b/cmake/std/atdm/CMakeLists.txt
index fb13f84118bb..836684aec829 100644
--- a/cmake/std/atdm/CMakeLists.txt
+++ b/cmake/std/atdm/CMakeLists.txt
@@ -5,4 +5,5 @@ TRIBITS_ADD_TEST_DIRECTORIES(van1-tx2)
 TRIBITS_ADD_TEST_DIRECTORIES(ats1)
 TRIBITS_ADD_TEST_DIRECTORIES(ats2)
 TRIBITS_ADD_TEST_DIRECTORIES(cts1)
+TRIBITS_ADD_TEST_DIRECTORIES(cts1empire)
 TRIBITS_PACKAGE_POSTPROCESS()
diff --git a/cmake/std/atdm/cts1empire/CMakeLists.txt b/cmake/std/atdm/cts1empire/CMakeLists.txt
new file mode 100644
index 000000000000..50539c5ad7a9
--- /dev/null
+++ b/cmake/std/atdm/cts1empire/CMakeLists.txt
@@ -0,0 +1,11 @@
+TRIBITS_ADD_ADVANCED_TEST( cts1empire_custom_builds_unit_tests
+  OVERALL_WORKING_DIRECTORY TEST_NAME
+  OVERALL_NUM_MPI_PROCS 1
+  TEST_0 CMND env
+    ARGS SHUNIT_COLOR=none ${CMAKE_CURRENT_SOURCE_DIR}/custom_builds_unit_tests.sh
+    PASS_REGULAR_EXPRESSION_ALL
+      "ERROR: A supported compiler was not selected for 'cts1empire' env - anything-intell"
+      "Ran 1 test"
+      "[^]OK[$]"
+    ALWAYS_FAIL_ON_NONZERO_RETURN
+  )
diff --git a/cmake/std/atdm/cts1empire/custom_builds.sh b/cmake/std/atdm/cts1empire/custom_builds.sh
index 78de4dc8f1d4..a6a851fa5249 100644
--- a/cmake/std/atdm/cts1empire/custom_builds.sh
+++ b/cmake/std/atdm/cts1empire/custom_builds.sh
@@ -7,17 +7,18 @@
 
 # Custom compiler selection logic
 
-if [[ $ATDM_CONFIG_BUILD_NAME == *"intel-18.0.2-openmpi-4.0.1"* ]] \
-  || [[ $ATDM_CONFIG_BUILD_NAME == *"intel-18.0.2_openmpi-4.0.1"* ]] \
-  || [[ $ATDM_CONFIG_BUILD_NAME == *"intel-18.0.2"* ]] \
-  || [[ $ATDM_CONFIG_BUILD_NAME == *"intel" ]] \
-  || [[ $ATDM_CONFIG_BUILD_NAME == *"default" ]] \
+if atdm_match_any_buildname_keyword \
+    intel-18.0.2-openmpi-4.0.1 \
+    intel-18.0.2_openmpi-4.0.1 \
+    intel-18.0.2 \
+    intel \
+    default \
   ; then
   export ATDM_CONFIG_COMPILER=INTEL-18.0.2_OPENMPI-4.0.1
 else
   echo
   echo "***"
-  echo "*** ERROR: A supported compiler was not selected for 'cts1empire' env"
+  echo "*** ERROR: A supported compiler was not selected for 'cts1empire' env - $ATDM_CONFIG_BUILD_NAME"
   echo "***"
   echo "*** Supported compilers include:"
   echo "***"
diff --git a/cmake/std/atdm/cts1empire/custom_builds_unit_tests.sh b/cmake/std/atdm/cts1empire/custom_builds_unit_tests.sh
new file mode 100755
index 000000000000..70912a119902
--- /dev/null
+++ b/cmake/std/atdm/cts1empire/custom_builds_unit_tests.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+if [[ "$(uname)" == "Darwin" ]]; then
+  ATDM_CONFIG_SCRIPT_DIR=".."
+  source "${ATDM_CONFIG_SCRIPT_DIR}/utils/define_atdm_match_keyword.sh"
+  SHUNIT2_DIR="${ATDM_CONFIG_SCRIPT_DIR}/../../../commonTools/test/shunit2"
+else
+  CURRENT_SCRIPTS_DIR=`echo $BASH_SOURCE | sed "s/\(.*\)\/.*\.sh/\1/g"`
+  ATDM_CONFIG_SCRIPT_DIR=`readlink -f ${CURRENT_SCRIPTS_DIR}/..`
+  SHUNIT2_DIR=`readlink -f ${ATDM_CONFIG_SCRIPT_DIR}/../../../commonTools/test/shunit2`
+fi
+
+#
+# Test compiler parsing
+#
+
+testAll() {
+
+  ATDM_CONFIG_SYSTEM_DIR=${ATDM_CONFIG_SCRIPT_DIR}/cts1empire
+
+  ATDM_CONFIG_BUILD_NAME=before-intel-18.0.2-openmpi-4.0.1_after
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} INTEL-18.0.2_OPENMPI-4.0.1 ${ATDM_CONFIG_COMPILER}
+
+  ATDM_CONFIG_BUILD_NAME=before-intel-18.0.2_openmpi-4.0.1-after
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} INTEL-18.0.2_OPENMPI-4.0.1 ${ATDM_CONFIG_COMPILER}
+
+  ATDM_CONFIG_BUILD_NAME=before_intel-18.0.2-after
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} INTEL-18.0.2_OPENMPI-4.0.1 ${ATDM_CONFIG_COMPILER}
+
+  ATDM_CONFIG_BUILD_NAME=default
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} INTEL-18.0.2_OPENMPI-4.0.1 ${ATDM_CONFIG_COMPILER}
+
+  ATDM_CONFIG_BUILD_NAME=before-intel-after
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} INTEL-18.0.2_OPENMPI-4.0.1 ${ATDM_CONFIG_COMPILER}
+
+  ATDM_CONFIG_BUILD_NAME=BEFORE-INTEL-AFTER
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} INTEL-18.0.2_OPENMPI-4.0.1 ${ATDM_CONFIG_COMPILER}
+
+  ATDM_CONFIG_BUILD_NAME=anything-intell
+  . ${ATDM_CONFIG_SCRIPT_DIR}/utils/set_build_options.sh
+  ${_ASSERT_EQUALS_} DEFAULT ${ATDM_CONFIG_COMPILER}
+
+}
+
+
+#
+# Run the unit tests
+#
+. ${SHUNIT2_DIR}/shunit2