1 files changed, 37 insertions, 0 deletions
diff --git a/Library/Homebrew/test/compiler_failure_spec.rb b/Library/Homebrew/test/compiler_failure_spec.rb
new file mode 100644
index 000000000..b4fab0b27
--- /dev/null
+++ b/Library/Homebrew/test/compiler_failure_spec.rb
@@ -0,0 +1,37 @@
+require "compilers"
+
+RSpec::Matchers.alias_matcher :fail_with, :be_fails_with
+
+describe CompilerFailure do
+  describe "::create" do
+    it "creates a failure when given a symbol" do
+      failure = described_class.create(:clang)
+      expect(failure).to fail_with(double("Compiler", name: :clang, version: 425))
+    end
+
+    it "can be given a build number in a block" do
+      failure = described_class.create(:clang) { build 211 }
+      expect(failure).to fail_with(double("Compiler", name: :clang, version: 210))
+      expect(failure).not_to fail_with(double("Compiler", name: :clang, version: 318))
+    end
+
+    it "can be given an empty block" do
+      failure = described_class.create(:clang) {}
+      expect(failure).to fail_with(double("Compiler", name: :clang, version: 425))
+    end
+
+    it "creates a failure when given a hash" do
+      failure = described_class.create(gcc: "4.8")
+      expect(failure).to fail_with(double("Compiler", name: "gcc-4.8", version: "4.8"))
+      expect(failure).to fail_with(double("Compiler", name: "gcc-4.8", version: "4.8.1"))
+      expect(failure).not_to fail_with(double("Compiler", name: "gcc-4.7", version: "4.7"))
+    end
+
+    it "creates a failure when given a hash and a block with aversion" do
+      failure = described_class.create(gcc: "4.8") { version "4.8.1" }
+      expect(failure).to fail_with(double("Compiler", name: "gcc-4.8", version: "4.8"))
+      expect(failure).to fail_with(double("Compiler", name: "gcc-4.8", version: "4.8.1"))
+      expect(failure).not_to fail_with(double("Compiler", name: "gcc-4.8", version: "4.8.2"))
+    end
+  end
+end