mirror of
https://github.com/aseprite/aseprite.git
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112 lines
2.4 KiB
Lua
112 lines
2.4 KiB
Lua
-- Copyright (C) 2021 Igara Studio S.A.
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--
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-- This file is released under the terms of the MIT license.
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-- Read LICENSE.txt for more information.
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dofile('./test_utils.lua')
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-- Test app.events
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do
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local i = 0
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local listener = app.events:on('sitechange',
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function() i = i + 1 end)
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assert(i == 0)
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local a = Sprite(32, 32)
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expect_eq(a, app.activeSprite)
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expect_eq(1, i)
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local b = Sprite(32, 32)
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expect_eq(b, app.activeSprite)
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expect_eq(2, i)
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app.activeSprite = a
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expect_eq(3, i)
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app.events:off(listener)
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app.activeSprite = b
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expect_eq(3, i)
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end
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do
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local pref = app.preferences
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pref.color_bar.fg_color = Color(0, 0, 0)
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pref.color_bar.bg_color = Color(0, 0, 0)
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local fg, bg = 0, 0
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local a = app.events:on('fgcolorchange', function() fg = fg + 1 end)
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local b = app.events:on('bgcolorchange', function() bg = bg + 1 end)
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assert(fg == 0)
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assert(bg == 0)
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pref.color_bar.fg_color = Color(255, 0, 0)
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pref.color_bar.bg_color = Color(255, 0, 0)
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assert(fg == 1)
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assert(bg == 1)
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pref.color_bar.fg_color = Color(255, 0, 0) -- No change (same color)
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assert(fg == 1)
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pref.color_bar.fg_color = Color(0, 0, 0)
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assert(fg == 2)
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app.events:off(a)
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app.events:off(b)
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pref.color_bar.fg_color = Color(255, 0, 0)
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assert(fg == 2)
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end
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-- Test Sprite.events
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do
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local spr = Sprite(32, 64)
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local changes = 0
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function incChanges() changes = changes + 1 end
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spr.events:on('change', incChanges)
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expect_eq(0, changes)
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spr.width = 64
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expect_eq(1, changes)
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app.undo()
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expect_eq(2, changes)
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app.redo()
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expect_eq(3, changes)
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spr.events:off(incChanges)
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app.undo()
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expect_eq(3, changes)
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end
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-- Multiple listeners
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do
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local spr = Sprite(2, 2)
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local ai, bi = 0, 0
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function a() ai = ai + 1 end
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function b() bi = bi + 1 end
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spr.events:on('change', a)
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spr.events:on('change', b)
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spr.width = 4
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expect_eq(1, ai)
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expect_eq(1, bi)
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spr.events:off(a)
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spr.width = 8
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expect_eq(1, ai)
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expect_eq(2, bi)
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spr.events:off(b)
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spr.width = 16
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expect_eq(1, ai)
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expect_eq(2, bi)
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end
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-- Avoid removing invalid listener when we use Events:off(function)
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do
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local spr = Sprite(2, 2)
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local i = 0
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function inc() i = i + 1 end
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spr.events:on('change', inc)
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spr.width = 4
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expect_eq(1, i)
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app.events:off(inc)
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spr.width = 8
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-- If this fails is because app.events:off(inc) removed the sprite
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-- listener instead of doing nothing.
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expect_eq(2, i)
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end
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