1 files changed, 55 insertions, 0 deletions
diff --git a/spec/ruby/core/string/bytes_spec.rb b/spec/ruby/core/string/bytes_spec.rb
new file mode 100644
index 0000000000..02151eebbc
--- /dev/null
+++ b/spec/ruby/core/string/bytes_spec.rb
@@ -0,0 +1,55 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+
+describe "String#bytes" do
+  before :each do
+    @utf8 = "東京"
+    @ascii = 'Tokyo'
+    @utf8_ascii = @utf8 + @ascii
+  end
+
+  it "returns an Array when no block is given" do
+    @utf8.bytes.should be_an_instance_of(Array)
+  end
+
+  it "yields each byte to a block if one is given, returning self" do
+    bytes = []
+    @utf8.bytes {|b| bytes << b}.should == @utf8
+    bytes.should == @utf8.bytes.to_a
+  end
+
+  it "returns #bytesize bytes" do
+    @utf8_ascii.bytes.to_a.size.should == @utf8_ascii.bytesize
+  end
+
+  it "returns bytes as Integers" do
+    @ascii.bytes.to_a.each {|b| b.should be_an_instance_of(Integer)}
+    @utf8_ascii.bytes { |b| b.should be_an_instance_of(Integer) }
+  end
+
+  it "agrees with #unpack('C*')" do
+    @utf8_ascii.bytes.to_a.should == @utf8_ascii.unpack("C*")
+  end
+
+  it "yields/returns no bytes for the empty string" do
+    ''.bytes.to_a.should == []
+  end
+end
+
+describe "String#bytes" do
+  before :each do
+    @utf8 = "東京"
+    @ascii = 'Tokyo'
+    @utf8_ascii = @utf8 + @ascii
+  end
+
+  it "agrees with #getbyte" do
+    @utf8_ascii.bytes.to_a.each_with_index do |byte,index|
+      byte.should == @utf8_ascii.getbyte(index)
+    end
+  end
+
+  it "is unaffected by #force_encoding" do
+    @utf8.dup.force_encoding('ASCII').bytes.to_a.should == @utf8.bytes.to_a
+  end
+end