eina_mono: add example for eina.Error

2 files changed, 77 insertions, 0 deletions

diff --git a/src/Makefile_Efl_Mono.am b/src/Makefile_Efl_Mono.am
index 79743750d3..d87cdfc741 100644
--- a/src/Makefile_Efl_Mono.am
+++ b/src/Makefile_Efl_Mono.am
@@ -179,6 +179,7 @@ check_PROGRAMS += tests/efl_mono/efl_mono.exe
 TESTS += tests/efl_mono/mono_test_driver.sh
 
 tests_efl_mono_examples = \
+     tests/efl_mono/examples/EinaError01.cs \
      tests/efl_mono/examples/EinaBinbuf01.cs \
      tests/efl_mono/examples/EinaArray01.cs \
      tests/efl_mono/examples/EinaHash01.cs \
diff --git a/src/tests/efl_mono/examples/EinaError01.cs b/src/tests/efl_mono/examples/EinaError01.cs
new file mode 100644
index 0000000000..b1be4e3e9a
--- /dev/null
+++ b/src/tests/efl_mono/examples/EinaError01.cs
@@ -0,0 +1,76 @@
+using static System.Console;
+
+namespace TestSuite
+{
+
+class TestExampleEinaError01
+{
+    private static bool RegisterdErrors = false;
+    private static eina.Error MyErrorNegative;
+    private static eina.Error MyErrorNull;
+
+    private static void testFunc(int n, string s)
+    {
+        if (!RegisterdErrors)
+        {
+            MyErrorNegative = eina.Error.Register("Negative number");
+            MyErrorNull = eina.Error.Register("NULL pointer");
+            RegisterdErrors = true;
+        }
+
+        if (n < 0)
+        {
+            eina.Error.Set(MyErrorNegative);
+            return;
+        }
+
+        if (s == null)
+        {
+            eina.Error.Set(MyErrorNull);
+            return;
+        }
+    }
+
+    public static void EinaError01()
+    {
+        // Handling Eina_Error with exception
+        try
+        {
+            testFunc(-1, "abc");
+            eina.Error.RaiseIfOcurred();
+        }
+        catch(efl.EflException e)
+        {
+            WriteLine($"Caught error: {e.Message}");
+        }
+
+        // Handling Eina_Error directly
+        testFunc(42, null);
+        eina.Error err = eina.Error.Get();
+        if (err != 0)
+        {
+            WriteLine($"Error set: {err.Message}");
+        }
+        eina.Error.Clear();
+
+        // No error set
+        try
+        {
+            testFunc(42, "abc");
+
+            eina.Error.RaiseIfOcurred();
+
+            err = eina.Error.Get();
+            WriteLine($"Really no error? {err == eina.Error.NO_ERROR}.");
+        }
+        catch
+        {
+            WriteLine("Unspected error!!!");
+        }
+
+        WriteLine("No error message is empty string: \"{0}\"", eina.Error.NO_ERROR.Message);
+        WriteLine("No error message is empty string: \"{0}\"", eina.Error.MsgGet(0));
+    }
+}
+
+}