1 files changed, 40 insertions, 0 deletions
diff --git a/Library/Homebrew/test/test_x11_requirement.rb b/Library/Homebrew/test/test_x11_requirement.rb
new file mode 100644
index 000000000..0f7ffe004
--- /dev/null
+++ b/Library/Homebrew/test/test_x11_requirement.rb
@@ -0,0 +1,40 @@
+require 'testing_env'
+require 'requirements/x11_requirement'
+
+class X11RequirementTests < Homebrew::TestCase
+  def test_eql_instances_are_eql
+    x = X11Requirement.new
+    y = X11Requirement.new
+    assert_eql x, y
+    assert_equal x.hash, y.hash
+  end
+
+  def test_not_eql_when_hashes_differ
+    x = X11Requirement.new("foo")
+    y = X11Requirement.new
+    refute_eql x, y
+    refute_equal x.hash, y.hash
+  end
+
+  def test_different_min_version
+    x = X11Requirement.new
+    y = X11Requirement.new("x11", %w[2.5])
+    refute_eql x, y
+  end
+
+  def test_x_env
+    x = X11Requirement.new
+    x.stubs(:satisfied?).returns(true)
+    ENV.expects(:x11)
+    x.modify_build_environment
+  end
+
+  def test_satisfied
+    MacOS::XQuartz.stubs(:version).returns("2.7.5")
+    MacOS::XQuartz.stubs(:installed?).returns(true)
+    assert_predicate X11Requirement.new, :satisfied?
+
+    MacOS::XQuartz.stubs(:installed?).returns(false)
+    refute_predicate X11Requirement.new, :satisfied?
+  end
+end