From bf5f83ffdafc1aa23c49f8bc28db18923df7c784 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 14 Nov 2015 17:05:57 +0900
Subject: Add comparison methods to Hash

---
 test/t/hash.rb | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

(limited to 'test')

diff --git a/test/t/hash.rb b/test/t/hash.rb
index 3196cc97a..8ef3d9c10 100644
--- a/test/t/hash.rb
+++ b/test/t/hash.rb
@@ -351,3 +351,75 @@ assert('Hash#rehash') do
   h.rehash
   assert_equal("b", h[[:b]])
 end
+
+assert('Hash#<') do
+  h1 = {a:1, b:2}
+  h2 = {a:1, b:2, c:3}
+
+  assert_false(h1 < h1)
+  assert_true(h1 < h2)
+  assert_false(h2 < h1)
+  assert_false(h2 < h2)
+
+  h1 = {a:1}
+  h2 = {a:2}
+
+  assert_false(h1 < h1)
+  assert_false(h1 < h2)
+  assert_false(h2 < h1)
+  assert_false(h2 < h2)
+end
+
+assert('Hash#<=') do
+  h1 = {a:1, b:2}
+  h2 = {a:1, b:2, c:3}
+
+  assert_true(h1 <= h1)
+  assert_true(h1 <= h2)
+  assert_false(h2 <= h1)
+  assert_true(h2 <= h2)
+
+  h1 = {a:1}
+  h2 = {a:2}
+
+  assert_true(h1 <= h1)
+  assert_false(h1 <= h2)
+  assert_false(h2 <= h1)
+  assert_true(h2 <= h2)
+end
+
+assert('Hash#>=') do
+  h1 = {a:1, b:2}
+  h2 = {a:1, b:2, c:3}
+
+  assert_true(h1 >= h1)
+  assert_false(h1 >= h2)
+  assert_true(h2 >= h1)
+  assert_true(h2 >= h2)
+
+  h1 = {a:1}
+  h2 = {a:2}
+
+  assert_true(h1 >= h1)
+  assert_false(h1 >= h2)
+  assert_false(h2 >= h1)
+  assert_true(h2 >= h2)
+end
+
+assert('Hash#>') do
+  h1 = {a:1, b:2}
+  h2 = {a:1, b:2, c:3}
+
+  assert_false(h1 > h1)
+  assert_false(h1 > h2)
+  assert_true(h2 > h1)
+  assert_false(h2 > h2)
+
+  h1 = {a:1}
+  h2 = {a:2}
+
+  assert_false(h1 > h1)
+  assert_false(h1 > h2)
+  assert_false(h2 > h1)
+  assert_false(h2 > h2)
+end
-- 
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