Revert "fadefx: remove module"

This reverts commit 3471463325be6c990b3abd18b4d34f723440d19a.

While not strictly necessary, it makes the user syntax in splitfx
files much terser.  Changes from the original version should make it
easier-to-read and the diagram should help a lot with understanding.

1 files changed, 28 insertions, 0 deletions

diff --git a/test/test_fadefx.rb b/test/test_fadefx.rb
new file mode 100644
index 0000000..e4f34fd
--- /dev/null
+++ b/test/test_fadefx.rb
@@ -0,0 +1,28 @@
+# Copyright (C) 2013-2015, all contributors <dtas-all@nongnu.org>
+# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+require_relative 'helper'
+require 'dtas/fadefx'
+
+class TestFadeFX < Testcase
+  def test_fadefx
+    ffx = DTAS::FadeFX.new("t1,t3.1;l4,t1")
+    assert_equal 't', ffx.out_prev.type
+    assert_equal 1, ffx.out_prev.flen
+    assert_equal 't', ffx.in_cur.type
+    assert_equal 3.1, ffx.in_cur.flen
+    assert_equal 'l', ffx.out_cur.type
+    assert_equal 4, ffx.out_cur.flen
+    assert_equal 't', ffx.in_next.type
+    assert_equal 1, ffx.in_next.flen
+  end
+
+  def test_fadefx_no_cur
+    ffx = DTAS::FadeFX.new("t1,;,t1")
+    assert_equal 't', ffx.out_prev.type
+    assert_equal 1, ffx.out_prev.flen
+    assert_nil ffx.in_cur
+    assert_nil ffx.out_cur
+    assert_equal 't', ffx.in_next.type
+    assert_equal 1, ffx.in_next.flen
+  end
+end