https://git.ruby-lang.org/ruby.git/commit/?id=09216f63ba

From 09216f63ba29b777beda6d4691eb8067af0af5e2 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Fri, 25 Dec 2020 15:22:37 +0900
Subject: test/test_trick.rb: Add a test file for TRICK entries (#3988)

* test/test_trick.rb: Add a test file for TRICK entries

Co-authored-by: Nobuyoshi Nakada <nobu@r...>

diff --git a/test/test_trick.rb b/test/test_trick.rb
new file mode 100644
index 0000000..c61a53f
--- /dev/null
+++ b/test/test_trick.rb
@@ -0,0 +1,191 @@ https://github.com/ruby/ruby/blob/trunk/test/test_trick.rb#L1
+require "test/unit"
+require "ripper"
+require "envutil"
+
+# This is a test suite for TRICK entries, joke Ruby program contest.
+# The programs are very unusual, and not practical.
+# Feel free to comment them out if they bother you.
+# I'll appreciate it if you could notify mame <mame@r...>
+
+class TestTRICK2013 < Test::Unit::TestCase
+  def test_kinaba
+    src = File.join(__dir__, "../sample/trick2013/kinaba/entry.rb")
+    expected = [*" ".."~"].join("") # all ASCII printables
+    assert_in_out_err(["-W0", src], "", [expected])
+    assert_equal(expected, File.read(src).chomp.chars.sort.join)
+  end
+
+  def test_mame
+    src = File.join(__dir__, "../sample/trick2013/mame/entry.rb")
+    ignore_dsp = "def open(_file, _mode); s = ''; def s.flush; self;end; yield s; end;"
+    assert_in_out_err(["-W0"], ignore_dsp + File.read(src), File.read(src).lines(chomp: true))
+  end
+
+  def test_shinh
+    src = File.join(__dir__, "../sample/trick2013/shinh/entry.rb")
+    assert_in_out_err(["-W0", src], "", [])
+  end
+
+  def test_yhara
+    src = File.join(__dir__, "../sample/trick2013/yhara/entry.rb")
+    assert_in_out_err(["-W0", src], "", ["JUST ANOTHER RUBY HACKER"])
+  end
+end
+
+class TestTRICK2015 < Test::Unit::TestCase
+  def test_kinaba
+    src = File.join(__dir__, "../sample/trick2015/kinaba/entry.rb")
+
+    # calculate the first 10000 digits of Pi
+    n = 10000
+    a = b = 10 ** n
+    (n * 8 + 1).step(3, -2) do |i|
+        a = (i / 2) * (a + b * 2) / i
+    end
+    pi = "3#{ a - b }"
+
+    assert_in_out_err(["-W0", src], "", [pi])
+    assert_equal(pi[0, 242], Ripper.tokenize(File.read(src)).grep(/\S/).map{|t|t.size%10}.join)
+  end
+
+  def test_ksk_1
+    src = File.join(__dir__, "../sample/trick2015/ksk_1/entry.rb")
+
+    # calculate Collatz sequence
+    s = ["27"]
+    n = 27
+    until n == 1
+      n = n.even? ? n / 2 : n * 3 + 1
+      s << n.to_s
+    end
+
+    assert_in_out_err(["-W0", src, "27"], "", s)
+  end
+
+  def test_monae
+    src = File.join(__dir__, "../sample/trick2015/monae/entry.rb")
+
+    code = File.read(src)
+    expected = code.lines(chomp: true) + (0..15).map { "" }
+    code.lines.each_with_index do |s, y|
+      y += 16
+      s.chomp.chars.each_with_index do |c, x|
+        x += 16
+        expected[y] << " " while expected[y].size < x
+        expected[y][x] = c if c != " "
+      end
+    end
+    expected = /\A#{ expected.map {|s| "#{ Regexp.quote(s) }\s*\n" }.join }\z/
+
+    assert_in_out_err(["-W0", src], "", expected)
+  end
+
+  def test_eregon
+    src = File.join(__dir__, "../sample/trick2015/eregon/entry.rb")
+
+    assert_in_out_err(["-W0", src], "", <<END.lines(chomp: true))
+1 9 4 2 3 8 7 6 5
+3 7 2 6 5 1 4 8 9
+8 5 6 7 4 9 2 3 1
+7 8 1 3 6 4 5 9 2
+4 2 3 9 7 5 8 1 6
+5 6 9 8 1 2 3 7 4
+6 4 8 1 2 7 9 5 3
+9 3 5 4 8 6 1 2 7
+2 1 7 5 9 3 6 4 8
+
+1 9 7 2 3 8 4 6 5
+3 4 2 6 5 1 7 8 9
+8 5 6 7 4 9 2 3 1
+7 1 8 3 6 4 5 9 2
+4 2 3 9 7 5 8 1 6
+5 6 9 8 1 2 3 7 4
+6 8 4 1 2 7 9 5 3
+9 3 5 4 8 6 1 2 7
+2 7 1 5 9 3 6 4 8
+
+END
+  end
+
+  def test_ksk_2
+    src = File.join(__dir__, "../sample/trick2015/ksk_2/entry.rb")
+
+    inp = <<END
+c
+c This is a sample input file.
+c
+p cnf 3 5
+ 1 -2  3 0
+-1  2 0
+-2 -3 0
+ 1  2 -3 0
+ 1  3 0
+END
+
+    assert_in_out_err(["-W0", src], inp, ["s SATISFIABLE", "v 1 2 -3"])
+  end
+end
+
+class TestTRICK2018 < Test::Unit::TestCase
+  def test_01_kinaba
+    src = File.join(__dir__, "../sample/trick2018/01-kinaba/entry.rb")
+
+    assert_in_out_err(["-W0", src], "", [])
+  end
+
+  def test_02_mame
+    src = File.join(__dir__, "../sample/trick2018/02-mame/entry.rb")
+
+    ignore_sleep = "def sleep(_); end;"
+    assert_in_out_err(["-W0"], ignore_sleep + File.read(src)) do |stdout, _stderr, _status|
+      code = stdout.join("\n") + "\n"
+      expected = code.lines(chomp: true)
+      assert_in_out_err(["-W0"], ignore_sleep + code, expected)
+    end
+  end
+
+  def test_03_tompng
+    src = File.join(__dir__, "../sample/trick2018/03-tompng/entry.rb")
+
+    # only syntax check because it requires chunky_png
+    assert_in_out_err(["-W0", "-c", src], "", ["Syntax OK"])
+  end
+
+  def test_04_colin
+    src = File.join(__dir__, "../sample/trick2018/04-colin/entry.rb")
+
+    code = "# encoding: UTF-8\n" + File.read(src) + <<END
+\u{1F914} "Math" do
+  \u{1F914} "Addition" do
+    \u{1F914} "One plus one equals two.",
+      1+1 == 2
+    \u{1F914} "One plus one equals eleven. (This should fail.)",
+      1+1 == 11
+  end
+
+  \u{1F914} "Subtraction" do
+    \u{1F914} "One minus one equals zero.",
+      1-1 == 0
+    \u{1F914} "Ten minus one equal nine.",
+      10-1 == 9
+  end
+end
+END
+    assert_in_out_err(["-W0"], code, <<END.lines(chomp: true))
+Math
+    Addition
+        One plus one equals two.
+        \u{1F6AB} One plus one equals eleven. (This should fail.)
+    Subtraction
+        One minus one equals zero.
+        Ten minus one equal nine.
+END
+  end
+
+  def test_05_tompng
+    src = File.join(__dir__, "../sample/trick2018/05-tompng/entry.rb")
+
+    # only syntax check because it generates 3D model data
+    assert_in_out_err(["-W0", "-c", src], "", ["Syntax OK"])
+  end
+end
-- 
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