* lib/rake: Import Rake 0.9.2

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rake/test_rake_file_creation_task.rb

@@ -0,0 +1,56 @@
+require File.expand_path('../helper', __FILE__)
+require 'fileutils'
+
+######################################################################
+class TestRakeFileCreationTask < Rake::TestCase
+  include Rake
+  include Rake::DSL
+
+  DUMMY_DIR = 'dummy_dir'
+
+  def setup
+    super
+
+    Task.clear
+  end
+
+  def test_file_needed
+    create_dir DUMMY_DIR
+    fc_task = Task[DUMMY_DIR]
+    assert_equal DUMMY_DIR, fc_task.name
+    FileUtils.rm_rf fc_task.name
+    assert fc_task.needed?, "file should be needed"
+    FileUtils.mkdir fc_task.name
+    assert_equal nil, fc_task.prerequisites.collect{|n| Task[n].timestamp}.max
+    assert ! fc_task.needed?, "file should not be needed"
+  end
+
+  def test_directory
+    directory DUMMY_DIR
+    fc_task = Task[DUMMY_DIR]
+    assert_equal DUMMY_DIR, fc_task.name
+    assert FileCreationTask === fc_task
+  end
+
+  def test_no_retriggers_on_filecreate_task
+    create_timed_files(OLDFILE, NEWFILE)
+    t1 = Rake.application.intern(FileCreationTask, OLDFILE).enhance([NEWFILE])
+    t2 = Rake.application.intern(FileCreationTask, NEWFILE)
+    assert ! t2.needed?, "Should not need to build new file"
+    assert ! t1.needed?, "Should not need to rebuild old file because of new"
+  end
+
+  def test_no_retriggers_on_file_task
+    create_timed_files(OLDFILE, NEWFILE)
+    t1 = Rake.application.intern(FileCreationTask, OLDFILE).enhance([NEWFILE])
+    t2 = Rake.application.intern(FileCreationTask, NEWFILE)
+    assert ! t2.needed?, "Should not need to build new file"
+    assert ! t1.needed?, "Should not need to rebuild old file because of new"
+  end
+
+  def test_very_early_timestamp
+    t1 = Rake.application.intern(FileCreationTask, OLDFILE)
+    assert t1.timestamp < Time.now
+    assert t1.timestamp < Time.now - 1000000
+  end
+end