AgentSkillsCN

graphics-testing

针对无头图形界面与 Intuition 库测试的具体策略。

SKILL.md
--- frontmatter
name: graphics-testing
description: Specific strategies for headless Graphics and Intuition library testing.

Graphics Testing Skill

Specialized testing strategies for graphics.library and intuition.library.

1. Core Principles

  1. •Headless Testing: No SDL2 display required.
  2. •Verify BitMap: Read pixels programmatically (ReadPixel).
  3. •Deterministic: Same input = same output.

2. Graphics Library (tests/graphics/)

  • •Init: InitRastPort, InitBitMap.
  • •Memory: AllocRaster, FreeRaster.
  • •Drawing: WritePixel, Draw (lines), RectFill.
  • •Verification: Loop through BitMap area and assert colors via ReadPixel.

Setup Example

c
struct BitMap bm;
struct RastPort rp;
InitBitMap(&bm, 2, 64, 64);
bm.Planes[0] = AllocRaster(64, 64);
bm.Planes[1] = AllocRaster(64, 64);
InitRastPort(&rp);
rp.BitMap = &bm;
// ... Test ...
FreeRaster(bm.Planes[0], 64, 64);
FreeRaster(bm.Planes[1], 64, 64);

3. Intuition Library (tests/intuition/)

  • •Headless UI: Test structures without opening host windows.
  • •Screen: OpenScreen (check width/height/depth/bitmap).
  • •Window: OpenWindow (check flags, IDCMP port).
  • •IDCMP: Verify UserPort and flags using ModifyIDCMP.

4. Notes

  • •Tests must run in < 5 seconds.
  • •Always clean up resources (close screens/windows).