1 files changed, 52 insertions, 0 deletions
diff --git a/Examples/test-suite/ruby/global_immutable_vars_runme.rb b/Examples/test-suite/ruby/global_immutable_vars_runme.rb
new file mode 100644
index 000000000..ffbea270f
--- /dev/null
+++ b/Examples/test-suite/ruby/global_immutable_vars_runme.rb
@@ -0,0 +1,52 @@
+#!/usr/bin/env ruby
+#
+# Here the proper generation of mutable and immutable variables is tested
+# in the target language.
+# Immutable variables do not have "<var>=" methods generated by SWIG,
+# therefore trying to assign these variables shall throw a NoMethodError
+# exception.
+#
+
+require 'swig_assert'
+
+require 'global_immutable_vars'
+
+# first check if all variables can be read
+swig_assert_each_line( <<EOF )
+Global_immutable_vars::default_mutable_var == 40
+Global_immutable_vars::global_immutable_var == 41
+Global_immutable_vars::specific_mutable_var == 42
+Global_immutable_vars::global_mutable_var == 43
+Global_immutable_vars::specific_immutable_var == 44
+EOF
+
+# check that all mutable variables can be modified
+swig_assert_each_line( <<EOF )
+Global_immutable_vars::default_mutable_var = 80
+Global_immutable_vars::default_mutable_var == 80
+Global_immutable_vars::specific_mutable_var = 82
+Global_immutable_vars::specific_mutable_var == 82
+Global_immutable_vars::global_mutable_var = 83
+Global_immutable_vars::global_mutable_var == 83
+EOF
+
+# now check that immutable variables cannot be modified
+had_exception = false
+begin
+  Global_immutable_vars::global_immutable_var = 81
+rescue NoMethodError => e
+  had_exception = true
+end
+swig_assert(had_exception, nil,
+            "Global_immutable_vars::global_immutable_var is writable (expected to be immutable)")
+
+had_exception = false
+begin
+  Global_immutable_vars::specific_immutable_var = 81
+rescue NoMethodError => e
+  had_exception = true
+end
+swig_assert(had_exception, nil,
+            "Global_immutable_vars::specific_immutable_var is writable (expected to be immutable)")
+
+swig_assert(Global_immutable_vars::check_values(80, 41, 82, 83, 44) == 1, nil, "Check values failed")