1 files changed, 99 insertions, 0 deletions
diff --git a/spec/rubyspec/library/yaml/to_yaml_spec.rb b/spec/rubyspec/library/yaml/to_yaml_spec.rb
new file mode 100644
index 0000000000..d129fe2d79
--- /dev/null
+++ b/spec/rubyspec/library/yaml/to_yaml_spec.rb
@@ -0,0 +1,99 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+require File.expand_path('../fixtures/example_class', __FILE__)
+
+describe "Object#to_yaml" do
+
+  it "returns the YAML representation of an Array object" do
+    %w( 30 ruby maz irb 99 ).to_yaml.gsub("'", '"').should match_yaml("--- \n- \"30\"\n- ruby\n- maz\n- irb\n- \"99\"\n")
+  end
+
+  it "returns the YAML representation of a Hash object" do
+    { "a" => "b"}.to_yaml.should match_yaml("--- \na: b\n")
+  end
+
+  it "returns the YAML representation of a Class object" do
+    FooBar.new("baz").to_yaml.should match_yaml("--- !ruby/object:FooBar\nname: baz\n")
+
+  end
+
+  it "returns the YAML representation of a Date object" do
+    require 'date'
+    Date.parse('1997/12/30').to_yaml.should match_yaml("--- 1997-12-30\n")
+  end
+
+  it "returns the YAML representation of a FalseClass" do
+    false_klass = false
+    false_klass.should be_kind_of(FalseClass)
+    false_klass.to_yaml.should match_yaml("--- false\n")
+  end
+
+  it "returns the YAML representation of a Float object" do
+    float = 1.2
+    float.should be_kind_of(Float)
+    float.to_yaml.should match_yaml("--- 1.2\n")
+  end
+
+  it "returns the YAML representation of an Integer object" do
+    int = 20
+    int.should be_kind_of(Integer)
+    int.to_yaml.should match_yaml("--- 20\n")
+  end
+
+  it "returns the YAML representation of a NilClass object" do
+    nil_klass = nil
+    nil_klass.should be_kind_of(NilClass)
+    nil_klass.to_yaml.should match_yaml("--- \n")
+  end
+
+  it "returns the YAML represenation of a RegExp object" do
+    Regexp.new('^a-z+:\\s+\w+').to_yaml.should match_yaml("--- !ruby/regexp /^a-z+:\\s+\\w+/\n")
+  end
+
+  it "returns the YAML representation of a String object" do
+    "I love Ruby".to_yaml.should match_yaml("--- I love Ruby\n")
+  end
+
+  it "returns the YAML representation of a Struct object" do
+    Person = Struct.new(:name, :gender)
+    Person.new("Jane", "female").to_yaml.should match_yaml("--- !ruby/struct:Person\nname: Jane\ngender: female\n")
+  end
+
+  it "returns the YAML representation of a Symbol object" do
+    :symbol.to_yaml.should match_yaml("--- :symbol\n")
+  end
+
+  it "returns the YAML representation of a Time object" do
+    Time.utc(2000,"jan",1,20,15,1).to_yaml.sub(/\.0+/, "").should match_yaml("--- 2000-01-01 20:15:01 Z\n")
+  end
+
+  it "returns the YAML representation of a TrueClass" do
+    true_klass = true
+    true_klass.should be_kind_of(TrueClass)
+    true_klass.to_yaml.should match_yaml("--- true\n")
+  end
+
+  it "returns the YAML representation of a Error object" do
+    StandardError.new("foobar").to_yaml.should match_yaml("--- !ruby/exception:StandardError\nmessage: foobar\n")
+  end
+
+  it "returns the YAML representation for Range objects" do
+    yaml = Range.new(1,3).to_yaml
+    yaml.include?("!ruby/range").should be_true
+    yaml.include?("begin: 1").should be_true
+    yaml.include?("end: 3").should be_true
+    yaml.include?("excl: false").should be_true
+  end
+
+  it "returns the YAML representation of numeric constants" do
+    nan_value.to_yaml.downcase.should match_yaml("--- .nan\n")
+    infinity_value.to_yaml.downcase.should match_yaml("--- .inf\n")
+    (-infinity_value).to_yaml.downcase.should match_yaml("--- -.inf\n")
+    (0.0).to_yaml.should match_yaml("--- 0.0\n")
+  end
+
+  it "returns the YAML representation of an array of hashes" do
+    players = [{"a" => "b"}, {"b" => "c"}]
+    players.to_yaml.should match_yaml("--- \n- a: b\n- b: c\n")
+  end
+end