import {
  clampSplitPaneSize,
  splitPaneSizeFromPointer,
} from "/packages/ui/split-pane.js";

test("분할 패널 폭이 설정 범위와 작업 영역 최소 폭을 지킨다", () => {
  const metrics = {
    containerSize: 1400,
    separatorSize: 12,
    minSize: 360,
    maxSize: 720,
    minMainSize: 560,
  };
  assertEqual(clampSplitPaneSize(620, metrics), 620, "requested width");
  assertEqual(clampSplitPaneSize(900, metrics), 720, "hard maximum");
  assertEqual(clampSplitPaneSize(200, metrics), 360, "configured minimum");
  assertEqual(
    clampSplitPaneSize(720, { ...metrics, containerSize: 981 }),
    409,
    "workspace-aware maximum",
  );
});

test("분리선 pointer 좌표가 시작·끝 패널 폭으로 변환된다", () => {
  const common = {
    pointerX: 506,
    containerLeft: 100,
    containerRight: 1500,
    separatorSize: 12,
  };
  assertEqual(
    splitPaneSizeFromPointer({ ...common, panelSide: "start" }),
    400,
    "start panel width",
  );
  assertEqual(
    splitPaneSizeFromPointer({ ...common, panelSide: "end" }),
    988,
    "end panel width",
  );
});