From c7d4d226365d8015c40bcf99c59a6b9de53f5720 Mon Sep 17 00:00:00 2001
From: Gwenhael Le Moine <gwenhael.le.moine@gmail.com>
Date: Wed, 10 Nov 2021 16:44:57 +0100
Subject: [PATCH] test +

---
 spec/language_operations_spec.rb | 55 ++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 spec/language_operations_spec.rb

diff --git a/spec/language_operations_spec.rb b/spec/language_operations_spec.rb
new file mode 100644
index 0000000..5a19521
--- /dev/null
+++ b/spec/language_operations_spec.rb
@@ -0,0 +1,55 @@
+# coding: utf-8
+# frozen_string_literal: true
+
+require 'test/unit'
+
+require_relative '../lib/core'
+
+class TestParser < Test::Unit::TestCase
+  def test_plus
+    stack = Rpn::Core::Operations.add [{ value: 1, type: :numeric },
+                                       { value: 2, type: :numeric }]
+    assert_equal [{ value: 3, type: :numeric }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: 1, type: :numeric },
+                                       { value: '"a"', type: :string }]
+    assert_equal [{ value: '"1a"', type: :string }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: 1, type: :numeric },
+                                       { value: "'a'", type: :name }]
+    assert_equal [{ value: '"1a"', type: :string }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: "'a'", type: :name },
+                                       { value: 1, type: :numeric }]
+    assert_equal [{ value: "'a1'", type: :name }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: "'a'", type: :name },
+                                       { value: '"b"', type: :string }]
+    assert_equal [{ value: "'ab'", type: :name }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: "'a'", type: :name },
+                                       { value: "'b'", type: :name }]
+    assert_equal [{ value: "'ab'", type: :name }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: '"a"', type: :string },
+                                       { value: '"b"', type: :string }]
+    assert_equal [{ value: '"ab"', type: :string }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: '"a"', type: :string },
+                                       { value: "'b'", type: :name }]
+    assert_equal [{ value: '"ab"', type: :string }],
+                 stack
+
+    stack = Rpn::Core::Operations.add [{ value: '"a"', type: :string },
+                                       { value: 1, type: :numeric }]
+    assert_equal [{ value: '"a1"', type: :string }],
+                 stack
+  end
+end