1 files changed, 54 insertions, 0 deletions
diff --git a/spec/ruby/core/time/_load_spec.rb b/spec/ruby/core/time/_load_spec.rb
new file mode 100644
index 0000000000..12fcb219ed
--- /dev/null
+++ b/spec/ruby/core/time/_load_spec.rb
@@ -0,0 +1,54 @@
+# -*- encoding: binary -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Time._load" do
+  it "is a private method" do
+    Time.should have_private_method(:_load, false)
+  end
+
+  # http://redmine.ruby-lang.org/issues/show/627
+  it "loads a time object in the new format" do
+    t = Time.local(2000, 1, 15, 20, 1, 1)
+    t = t.gmtime
+
+    high =               1 << 31 |
+          (t.gmt? ? 1 : 0) << 30 |
+           (t.year - 1900) << 14 |
+              (t.mon  - 1) << 10 |
+                     t.mday << 5 |
+                          t.hour
+
+    low =  t.min  << 26 |
+           t.sec  << 20 |
+                 t.usec
+
+    Time.send(:_load, [high, low].pack("VV")).should == t
+  end
+
+  it "loads a time object in the old UNIX timestamp based format" do
+    t = Time.local(2000, 1, 15, 20, 1, 1, 203)
+    timestamp = t.to_i
+
+    high = timestamp & ((1 << 31) - 1)
+
+    low =  t.usec
+
+    Time.send(:_load, [high, low].pack("VV")).should == t
+  end
+
+  it "loads MRI's marshaled time format" do
+    t = Marshal.load("\004\bu:\tTime\r\320\246\e\200\320\001\r\347")
+    t.utc
+
+    t.to_s.should == "2010-10-22 16:57:48 UTC"
+  end
+
+  with_feature :encoding do
+    it "treats the data as binary data" do
+      data = "\x04\bu:\tTime\r\fM\x1C\xC0\x00\x00\xD0\xBE"
+      data.force_encoding Encoding::UTF_8
+      t = Marshal.load(data)
+      t.to_s.should == "2013-04-08 12:47:45 UTC"
+    end
+  end
+end