1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/exec_spec.rb b/spec/ruby/core/kernel/exec_spec.rb
new file mode 100644
index 0000000000..3a7b656914
--- /dev/null
+++ b/spec/ruby/core/kernel/exec_spec.rb
@@ -0,0 +1,18 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Kernel#exec" do
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:exec)
+  end
+
+  it "runs the specified command, replacing current process" do
+    ruby_exe('exec "echo hello"; puts "fail"', escape: true).should == "hello\n"
+  end
+end
+
+describe "Kernel.exec" do
+  it "runs the specified command, replacing current process" do
+    ruby_exe('Kernel.exec "echo hello"; puts "fail"', escape: true).should == "hello\n"
+  end
+end