From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/test/psych/visitors/test_depth_first.rb | 49 ++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 jni/ruby/test/psych/visitors/test_depth_first.rb

(limited to 'jni/ruby/test/psych/visitors/test_depth_first.rb')

diff --git a/jni/ruby/test/psych/visitors/test_depth_first.rb b/jni/ruby/test/psych/visitors/test_depth_first.rb
new file mode 100644
index 0000000..837c8e8
--- /dev/null
+++ b/jni/ruby/test/psych/visitors/test_depth_first.rb
@@ -0,0 +1,49 @@
+require 'psych/helper'
+
+module Psych
+  module Visitors
+    class TestDepthFirst < TestCase
+      class Collector < Struct.new(:calls)
+        def initialize(calls = [])
+          super
+        end
+
+        def call obj
+          calls << obj
+        end
+      end
+
+      def test_scalar
+        collector = Collector.new
+        visitor   = Visitors::DepthFirst.new collector
+        visitor.accept Psych.parse_stream '--- hello'
+
+        assert_equal 3, collector.calls.length
+      end
+
+      def test_sequence
+        collector = Collector.new
+        visitor   = Visitors::DepthFirst.new collector
+        visitor.accept Psych.parse_stream "---\n- hello"
+
+        assert_equal 4, collector.calls.length
+      end
+
+      def test_mapping
+        collector = Collector.new
+        visitor   = Visitors::DepthFirst.new collector
+        visitor.accept Psych.parse_stream "---\nhello: world"
+
+        assert_equal 5, collector.calls.length
+      end
+
+      def test_alias
+        collector = Collector.new
+        visitor   = Visitors::DepthFirst.new collector
+        visitor.accept Psych.parse_stream "--- &yay\n- foo\n- *yay\n"
+
+        assert_equal 5, collector.calls.length
+      end
+    end
+  end
+end
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