1 files changed, 52 insertions, 0 deletions
diff --git a/Library/Homebrew/test/test_compiler_failure.rb b/Library/Homebrew/test/test_compiler_failure.rb
new file mode 100644
index 000000000..da656de7f
--- /dev/null
+++ b/Library/Homebrew/test/test_compiler_failure.rb
@@ -0,0 +1,52 @@
+require "testing_env"
+require "compilers"
+
+class CompilerFailureTests < Homebrew::TestCase
+  Compiler = Struct.new(:name, :version)
+
+  def assert_fails_with(compiler, failure)
+    assert_operator failure, :===, compiler
+  end
+
+  def refute_fails_with(compiler, failure)
+    refute_operator failure, :===, compiler
+  end
+
+  def compiler(name, version)
+    Compiler.new(name, version)
+  end
+
+  def create(spec, &block)
+    CompilerFailure.create(spec, &block)
+  end
+
+  def test_create_with_symbol
+    failure = create(:clang)
+    assert_fails_with compiler(:clang, 425), failure
+  end
+
+  def test_create_with_block
+    failure = create(:clang) { build 211 }
+    assert_fails_with compiler(:clang, 210), failure
+    refute_fails_with compiler(:clang, 318), failure
+  end
+
+  def test_create_with_block_without_build
+    failure = create(:clang) { }
+    assert_fails_with compiler(:clang, 425), failure
+  end
+
+  def test_create_with_hash
+    failure = create(:gcc => "4.8")
+    assert_fails_with compiler("gcc-4.8", "4.8"), failure
+    assert_fails_with compiler("gcc-4.8", "4.8.1"), failure
+    refute_fails_with compiler("gcc-4.7", "4.7"), failure
+  end
+
+  def test_create_with_hash_and_version
+    failure = create(:gcc => "4.8") { version "4.8.1" }
+    assert_fails_with compiler("gcc-4.8", "4.8"), failure
+    assert_fails_with compiler("gcc-4.8", "4.8.1"), failure
+    refute_fails_with compiler("gcc-4.8", "4.8.2"), failure
+  end
+end