1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/string/allocate_spec.rb b/spec/ruby/core/string/allocate_spec.rb
new file mode 100644
index 0000000000..00dadaf076
--- /dev/null
+++ b/spec/ruby/core/string/allocate_spec.rb
@@ -0,0 +1,19 @@
+require_relative '../../spec_helper'
+
+describe "String.allocate" do
+  it "returns an instance of String" do
+    str = String.allocate
+    str.should.instance_of?(String)
+  end
+
+  it "returns a fully-formed String" do
+    str = String.allocate
+    str.size.should == 0
+    str << "more"
+    str.should == "more"
+  end
+
+  it "returns a binary String" do
+    String.allocate.encoding.should == Encoding::BINARY
+  end
+end