1 files changed, 57 insertions, 0 deletions
diff --git a/spec/ruby/core/dir/shared/exist.rb b/spec/ruby/core/dir/shared/exist.rb
new file mode 100644
index 0000000000..3097f57715
--- /dev/null
+++ b/spec/ruby/core/dir/shared/exist.rb
@@ -0,0 +1,57 @@
+describe :dir_exist, shared: true do
+  it "returns true if the given directory exists" do
+    Dir.send(@method, __dir__).should be_true
+  end
+
+  it "returns true for '.'" do
+    Dir.send(@method, '.').should be_true
+  end
+
+  it "returns true for '..'" do
+    Dir.send(@method, '..').should be_true
+  end
+
+  it "understands non-ASCII paths" do
+    subdir = File.join(tmp("\u{9876}\u{665}"))
+    Dir.send(@method, subdir).should be_false
+    Dir.mkdir(subdir)
+    Dir.send(@method, subdir).should be_true
+    Dir.rmdir(subdir)
+  end
+
+  it "understands relative paths" do
+    Dir.send(@method, __dir__ + '/../').should be_true
+  end
+
+  it "returns false if the given directory doesn't exist" do
+    Dir.send(@method, 'y26dg27n2nwjs8a/').should be_false
+  end
+
+  it "doesn't require the name to have a trailing slash" do
+    dir = __dir__
+    dir.sub!(/\/$/,'')
+    Dir.send(@method, dir).should be_true
+  end
+
+  it "doesn't expand paths" do
+    skip "$HOME not valid directory" unless ENV['HOME'] && File.directory?(ENV['HOME'])
+    Dir.send(@method, File.expand_path('~')).should be_true
+    Dir.send(@method, '~').should be_false
+  end
+
+  it "returns false if the argument exists but is a file" do
+    File.should.exist?(__FILE__)
+    Dir.send(@method, __FILE__).should be_false
+  end
+
+  it "doesn't set $! when file doesn't exist" do
+    Dir.send(@method, "/path/to/non/existent/dir")
+    $!.should be_nil
+  end
+
+  it "calls #to_path on non String arguments" do
+    p = mock('path')
+    p.should_receive(:to_path).and_return(__dir__)
+    Dir.send(@method, p)
+  end
+end