1 files changed, 62 insertions, 0 deletions
diff --git a/Library/Homebrew/test/test_stdlib.rb b/Library/Homebrew/test/test_stdlib.rb
new file mode 100644
index 000000000..a5e276746
--- /dev/null
+++ b/Library/Homebrew/test/test_stdlib.rb
@@ -0,0 +1,62 @@
+require 'testing_env'
+require 'test/testball'
+require 'formula'
+require 'cxxstdlib'
+require 'tab'
+
+class CxxStdlibTests < Test::Unit::TestCase
+  def setup
+    @clang = CxxStdlib.new(:libstdcxx, :clang)
+    @gcc   = CxxStdlib.new(:libstdcxx, :gcc)
+    @llvm  = CxxStdlib.new(:libstdcxx, :llvm)
+    @gcc4  = CxxStdlib.new(:libstdcxx, :gcc_4_0)
+    @gcc48 = CxxStdlib.new(:libstdcxx, 'gcc-4.8')
+    @gcc49 = CxxStdlib.new(:libstdcxx, 'gcc-4.9')
+    @lcxx  = CxxStdlib.new(:libcxx, :clang)
+  end
+
+  def test_apple_libstdcxx_intercompatibility
+    assert @clang.compatible_with?(@gcc)
+    assert @clang.compatible_with?(@llvm)
+    assert @clang.compatible_with?(@gcc4)
+  end
+
+  def test_compatibility_same_compilers_and_type
+    assert @gcc48.compatible_with?(@gcc48)
+    assert @clang.compatible_with?(@clang)
+  end
+
+  def test_apple_gnu_libstdcxx_incompatibility
+    assert !@clang.compatible_with?(@gcc48)
+    assert !@gcc48.compatible_with?(@clang)
+  end
+
+  def test_gnu_cross_version_incompatibility
+    assert !@clang.compatible_with?(@gcc48)
+    assert !@gcc48.compatible_with?(@clang)
+  end
+
+  def test_libstdcxx_libcxx_incompatibility
+    assert !@clang.compatible_with?(@lcxx)
+    assert !@lcxx.compatible_with?(@clang)
+  end
+
+  def test_apple_compiler_reporting
+    assert @clang.apple_compiler?
+    assert @gcc.apple_compiler?
+    assert @llvm.apple_compiler?
+    assert @gcc4.apple_compiler?
+    assert !@gcc48.apple_compiler?
+  end
+
+  def test_type_string_formatting
+    assert_equal @clang.type_string, 'libstdc++'
+    assert_equal @lcxx.type_string, 'libc++'
+  end
+
+  def test_constructing_from_tab
+    stdlib = Tab.dummy_tab.cxxstdlib
+    assert_equal stdlib.compiler, :clang
+    assert_equal stdlib.type, :libstdcxx
+  end
+end