diff --git a/build.sh b/build.sh
index 9cded14087..068e4c05f2 100644
--- a/build.sh
+++ b/build.sh
@@ -461,6 +461,20 @@ EOF
         $MAKE check-doc-examples || exit 1
         ;;
 
+    "test-cover")
+        auto_configure || exit 1
+        $MAKE check-cover-norun || exit 1
+        TEMP_DIR="$(mktemp -d /tmp/tightdb.objc.check-cover.XXXX)" || exit 1
+        mkdir -p "$TEMP_DIR/unit-tests-cov.octest/Contents/MacOS" || exit 1
+        cp "src/tightdb/objc/test/unit-tests-cov" "$TEMP_DIR/unit-tests-cov.octest/Contents/MacOS/" || exit 1
+        XCODE_HOME="$(xcode-select --print-path)" || exit 1
+        DYLD_LIBRARY_PATH="$TIGHTDB_OBJC_HOME/src/tightdb/objc" OBJC_DISABLE_GC=YES "$XCODE_HOME/Tools/otest" "$TEMP_DIR/unit-tests-cov.octest" || exit 1
+        echo "Generating 'gcovr.xml'.."
+        gcovr -f '.*/tightdb_objc/src/.*' -e '.*/test/.*' -x > gcovr.xml
+        echo "Test passed."
+        exit 0
+        ;;
+
     "test-examples")
         auto_configure || exit 1
         $MAKE test -C "examples" || exit 1
@@ -579,10 +593,13 @@ EOF
         ;;
 
     *)
-        echo "Unspecified or bad mode '$MODE'" 1>&2
-        echo "Available modes are: config clean build build-iphone test test-debug test-gdb show-install install uninstall test-installed" 1>&2
-        echo "As well as: install-prod install-devel uninstall-prod uninstall-devel dist-copy" 1>&2
-	echo "As wall as: ios-framework"
+        cat << EOF
+Unspecified or bad mode '$MODE'.
+Available modes are:
+  config clean build build-iphone test test-debug test-gdb test-cover
+  show-install install uninstall test-installed install-prod install-devel
+  uninstall-prod uninstall-devel dist-copy ios-framework
+EOF
         exit 1
         ;;