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-rw-r--r--test/mkmf/test_egrep_cpp.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/mkmf/test_egrep_cpp.rb b/test/mkmf/test_egrep_cpp.rb
new file mode 100644
index 0000000000..ce276bef20
--- /dev/null
+++ b/test/mkmf/test_egrep_cpp.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: false
+require_relative 'base'
+require 'tempfile'
+
+class TestMkmf
+ class TestEgrepCpp < TestMkmf
+ def test_egrep_cpp
+ assert_equal(true, egrep_cpp(/ruby_init/, ""), MKMFLOG)
+ end
+
+ def test_not_have_func
+ assert_equal(false, egrep_cpp(/never match/, ""), MKMFLOG)
+ end
+ end
+end