1 files changed, 49 insertions, 0 deletions
diff --git a/Library/Homebrew/test/test_checksum_verification.rb b/Library/Homebrew/test/test_checksum_verification.rb
new file mode 100644
index 000000000..a97cd985a
--- /dev/null
+++ b/Library/Homebrew/test/test_checksum_verification.rb
@@ -0,0 +1,49 @@
+require 'testing_env'
+require 'test/testball'
+
+class ChecksumTests < Test::Unit::TestCase
+  def assert_checksum_good
+    assert_nothing_raised { shutup { @_f.brew {} } }
+  end
+
+  def assert_checksum_bad
+    assert_raises(ChecksumMismatchError) { shutup { @_f.brew {} } }
+  end
+
+  def formula(&block)
+    @_f = TestBall.new
+    @_f.stable.instance_eval(&block)
+  end
+
+  def test_good_sha1
+    formula do
+      sha1 '482e737739d946b7c8cbaf127d9ee9c148b999f5'
+    end
+
+    assert_checksum_good
+  end
+
+  def test_bad_sha1
+    formula do
+      sha1 '7ea8a98acb8f918df723c2ae73fe67d5664bfd7e'
+    end
+
+    assert_checksum_bad
+  end
+
+  def test_good_sha256
+    formula do
+      sha256 '1dfb13ce0f6143fe675b525fc9e168adb2215c5d5965c9f57306bb993170914f'
+    end
+
+    assert_checksum_good
+  end
+
+  def test_bad_sha256
+    formula do
+      sha256 'dcbf5f44743b74add648c7e35e414076632fa3b24463d68d1f6afc5be77024f8'
+    end
+
+    assert_checksum_bad
+  end
+end