diff --git a/buildingspy/development/regressiontest.py b/buildingspy/development/regressiontest.py
index 155378ee..347c2278 100644
--- a/buildingspy/development/regressiontest.py
+++ b/buildingspy/development/regressiontest.py
@@ -340,6 +340,9 @@ def __init__(
         self._data = []
         self._reporter = rep.Reporter(os.path.join(os.getcwd(), "unitTests-{}.log".format(tool)))
 
+        # packages set by test single packages flag
+        self._packages = []
+
         # By default, include export of FMUs.
         self._include_fmu_test = True
 
@@ -757,11 +760,12 @@ def setSinglePackage(self, packageName):
 
         # Set data dictionary as it may have been generated earlier for the whole library.
         self._data = []
-
+        self._packages = []
         for pac in packages:
             pacSep = pac.find('.')
             pacPat = pac[pacSep + 1:]
             pacPat = pacPat.replace('.', os.sep)
+            self._packages.append(pacPat)
             rooPat = os.path.join(self._libHome, 'Resources', 'Scripts', 'Dymola', pacPat)
             # Verify that the directory indeed exists
             if not os.path.isdir(rooPat):
@@ -3674,3 +3678,78 @@ def _analyseOMStats(self, lines=None, models=None, simulate=False):
 
         print("\nMore detailed information is stored in self._omstats")
         print(70 * '#')
+
+    def get_models_coverage(self):
+        """
+        Analyse how many examples are tested.
+
+        Returns the share of tested examples
+        """
+        # first lines copy paste from run function
+        if self.get_number_of_tests() == 0:
+            self.setDataDictionary(self._rootPackage)
+
+        # Remove all data that do not require a simulation or an FMU export.
+        # Otherwise, some processes may have no simulation to run and then
+        # the json output file would have an invalid syntax
+
+        # to not interact with other code here, we use the temp_data list
+
+        temp_data = []
+
+        for ele in self._data[:]:
+            if (ele['mustSimulate'] or ele['mustExportFMU']):
+                temp_data.append(ele)
+
+        # now we got clean _data to compare
+        # next step get all examples in the package (whether whole library or
+        # single package)
+
+        if self._packages:
+            packs = self._packages
+        else:
+            packs = list(dict.fromkeys(
+                [pac['ScriptFile'].split(os.sep)[0] for pac in self._data]))
+
+        tested_model_names = [
+            nam['ScriptFile'].split(os.sep)[-1][:-1] for nam in temp_data]
+
+        total_examples = []
+        for pac in packs:
+            for (dirpath, dirnames, filenames) in os.walk(
+                    os.path.join(self._libHome, pac)):
+                for f in filenames:
+                    total_examples.append(os.path.abspath(
+                        os.path.join(dirpath, f)))
+
+        # list filtering only relevant examples, that could be nicer for sure
+        total_examples = [
+            i for i in total_examples if any(
+                xs in i for xs in ['Examples', 'Validation'])]
+        total_examples = [i for i in total_examples if not i.endswith(
+            ('package.mo', '.order'))]
+
+        coverage = round(len(temp_data) / len(total_examples), 2) * 100
+
+        print('***\n\nModel Coverage: ', str(int(coverage)) + '%')
+        print(
+            '***\n\nYou are testing : ',
+            len(temp_data),
+            ' out of ',
+            len(total_examples),
+            'total examples in ')
+        for pac in packs:
+            print(pac)
+        print('\n')
+
+        tested_model_names = [
+            nam['ScriptFile'].split(os.sep)[-1][:-1] for nam in temp_data]
+
+        missing_examples = [
+            i for i in total_examples if not any(
+                xs in i for xs in tested_model_names)]
+
+        if missing_examples:
+            print('***\n\nThe following examples are not tested\n')
+            for i in missing_examples:
+                print(i.split(self._libHome)[1])