• PiTiVi should appear

• Import Sources Dialog should appear

• Sources should appear in the sourcelist, or the import warning notification should appear
• Icons on files with video data should be shown

Select one clip in the file browser and press the "insert" key

• the clip should be inserted at the end of the timeline

Select two files (using shift- or control-click) and press the "insert" key

• Both clips are inserted at end of timeline in the order in which they are sorted in the clip browser.

• An instance of the clip should appear under the cursor as soon as it enters the timeline.
• When the button is released, the clip should remain in the timeline at the location it was dropped.

• The clips should appear in the same order that they are sorted in the timeline under the cursor, as in (5)

• PiTiVi should remove the clips from the timeline

• The clips should re-appear as they were before being removed

• Make sure the clips are added at the mouse position.

• Make sure that no clips are added to the timeline

• Make sure every instance of the factory is removed from the timeline.

• Playback button icon should change from 'Play' to 'Paused'
• Watch the preview output carefully. There should be no glitches
• When the playhead crosses clip boundaries, playback should remain smooth
• When the playhead moves off-screen, the timeline should scroll to center the playhead in the window.

• Playback should immediately cease.

• The timeline scroll position should not jitter, nor snap back to the playhead while the playhead is paused.

• In particular, make sure the icon on the play/pause button is updated properly.

• The timeline playhead marker should appear under the mouse pointer
• The viewer should display the timeline at the timestamp represented by the playhead.

• The playhead should track the mouse position closely
• The viewer should update continuously while the mouse is moving

• the trimming handles at the start and end of the clips should hilight as the mouse moves over them
• the clip should move smoothly, even when vigorously scrubbed back and forth
• the viewer should not update during this operation this will change when we support live previews
• if thumbnails are enabled, they should appear properly even while the clip is being moved
• the clip should snap to the edges of other clips, but not to its original coordinates
• check that audio track moves downward so that tracks do not intermingle
• when moved beyond the edges of the timeline window, the timeline should scroll
• when moving leftward from the right edge (end) of the timeline, there should be no change in scroll position unless the clip moves past the left edge of the timeline.
• you should not be able to move the start of the clip past the beginning of the timeline
• at all times the shaded portion of the timeline ruler should show the true length of the entire timeline.

• The layer position of the clip in the track should change
• The track containing the clip should expand (pushing all clips lower tracks downward).
• The vertical position of layers and controls adjacent to the timeline should update to match

• Only the left handle should highlight as the mouse moves over it
• The start point of the clip should be trimmed as closely as possible to the mouse position
  • You should not be able to expand the clip beyond its native duration
  • You should not be able to move the handle beyond the right edge of the clip
• When the start keyframe of an audio clip moves out of view, a "remote handle" should appear matching its vertical position.

• Clips should resize appropriately
• The zooming should have a smooth feel to it
• The scroll position should adjust to keep the playhead as close to the center of the window as possible
• If thumbnails and waveforms are enabled, they should update quickly
• The ruler's tick marks should adjust to the new zoom ratio
• Both the scroll wheel and the tool bar buttons should have the same effect

• The clip should tint to the selection color to indicate that it is selected.

• This clip should become selected, and the old clip deselected.

• Both the second and third clips should now be selected

• Both selected clips should move in unison, and their distance from each other should remain unchanged

• This clip should be deselected, but the other clip should still remain selected

• The marquee should appear between the initial mouse-down coordinates and the current location of the cursor
• When the mouse is released, all the clips touching the marquee should be selected
• Make sure that thumbnails are drawn properly under the marquee (no smearing or other distortions).

These clips will be referred to as A, B, C, D going from left to right.

• The end of clip A should be trimmed about 50% from the true end of the clip
• Clip B should be longer than clip A
• The start of clip B should be about trimmed 25% from the true start of the clip
• Clips C, and D and should be left alone

• The end of clip A should be trimmed in sync with the start of clip B
• Make sure the start handle of clip B is clamped between the true start of clip B and the end handle of clip B
• Make sure the end handle of clip A is clamped between the true end of clip A and the start of clip A

• The behavior should be identical.

• Only clips A and B should be affected by the roll edit

• Only clips A, C, and D should be affected by the roll edit

These clips will be referred to as A, B, C, D going from left to right.

• The end of clip A should be trimmed about 50% from the true end of the clip
• Clip B should be longer than clip A
• The start of clip B should be about trimmed 25% from the true start of the clip
• Clips C, and D and should be left alone

• Clips B-D should move relative to the end handle of clip A
• Make sure the end handle of clip A is clamped between the true end of clip A and the start of clip A

• Clips A-C should move relative to the start handle of clip D
• Make sure the start handle of clip D is clamped between the true start of clip D and the end handle of clip D

• Only clips A and B should be affected by the ripple edit

• Only clips A, C, and D should be affected by the ripple edit.

• Make sure clips C and D are deselected

• Clips A and B should be moving together

• Clips C, and D should now be moving with clips A and B, preserving the original offsets

• It should not be possible to set the start time of clips A, B, C or D less to less than 0
• While ripple mode is engaged, the relative offsets of clips A, B, C, and D should remain constant

• Clips C and D should return to their original positions

• The delete button should be insensitive

• The delete button should be come sensitive

• The selected clip should be removed from the timeline
• The delete button should become insensitive

• All the selected clips should be removed from the timeline
• The delete button should once again become insensitive

• The 'Link' command button should be insensitive
• The 'Unlink' command button should be insensitive

• The 'Link' command button should become sensitive
• The 'Unlink' command button should remain insensitive

• The 'Link' command button should become insensitive.
• The 'Unlink' command button should become sensitive.

• Moving either clip should cause both linked clips to move in unison

• Both 'Link' and 'Unlink' commands should be insensitive.

• The 'Unlink' command should be sensitive

• The 'Link' commands should be sensitive
• The 'Unlink' command should be insensitive

• The 'Link' command should now be insensitive

• Dragging any of the linked clips should cause all three to move in unison.

• The Link and Unlink commands should be insensitive
• Moving this unlinked clip should not affect either of the two linked clips
• Moving either of the linked clips should not affect the unlinked clip

• The link command should be insensitive
• The unlink command should be sensitive

• The link command should be sensitive
• The unlink command should be insensitive

• All of the clips should now move independently

• The link command should be sensitive

• The unlink command should be sensitive
• All the clips in A and B should now be part of the same link (clicking and dragging on any of them will move all of them)

• It should be removed from the timeline, but the others should remain
• Make sure the other clips are still linked together
• Make sure no tracebacks appear on console

• Make sure there are no tracebacks

• Make sure you are somewhat familiar with it, so that you can spot problems during playback.

• a vertical trimming bar should appear across the timeline at the horizontal mouse position.

• The clip should be divided into two clips at the mouse position

• Playback across the two pieces should be identical with the original clip.

• Playback across all four pieces should be identical with the original clip.

• The vertical bar should appear as before

• The vertical trimming bar should not be visible when the pointer moves over the canvas

• The clip should become selected
• The clip should not be split

• when the mouse moves near the playhead, the trimming bar should snap to the position of the playhead

• Make sure that the clip is split exactly at the playhead position (not at the mouse position). Zoom in, if necessary, to verify this.

• Make a few edits

• The project should match the screen-shot exactly

• The save-as dialog should not appear.

• The save-as dialog should appear
• The current folder of the save-as dialog should be the same folder as the current project

• The overwrite confirmation dialog should present itself

• Check the modification date/time of the file to make sure it was not overwritten.

• Check that modification date/time of the file to make sure it has been overwritten

• Verify that all of PiTiVi's other functions still work correctly on the loaded file.