first commit

nghttp2/third-party/mruby/test/t/ensure.rb

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+##
+# ensure Test
+
+class EnsureYieldBreak
+  attr_reader :ensure_context
+  def try
+    yield
+  ensure
+    @ensure_context = self
+  end
+end
+
+assert('ensure - context - yield') do
+  yielder = EnsureYieldBreak.new
+  yielder.try do
+  end
+  assert_equal yielder, yielder.ensure_context
+end
+
+assert('ensure - context - yield and break') do
+  yielder = EnsureYieldBreak.new
+  yielder.try do
+    break
+  end
+  assert_equal yielder, yielder.ensure_context
+end
+
+assert('ensure - context - yield and return') do
+  yielder = EnsureYieldBreak.new
+  lambda do
+    yielder.try do
+      return
+    end
+  end.call
+  assert_equal yielder, yielder.ensure_context
+end