Advance M8-M11 parity workflows

web/tests/unit/grease-pencil-marquee.test.mjs

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+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { pathToFileURL } from "node:url";
+import test from "node:test";
+import ts from "typescript";
+
+const repoRoot = path.resolve(import.meta.dirname, "../../..");
+const sourcePath = path.join(repoRoot, "web/protocol/grease-pencil-marquee.ts");
+const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "grease-pencil-marquee-unit-"));
+const transpiled = ts.transpileModule(fs.readFileSync(sourcePath, "utf8"), {
+  compilerOptions: { module: ts.ModuleKind.ES2022, target: ts.ScriptTarget.ES2022 },
+  fileName: sourcePath,
+  reportDiagnostics: true,
+});
+assert.deepEqual(transpiled.diagnostics, []);
+const modulePath = path.join(temporary, "grease-pencil-marquee.mjs");
+fs.writeFileSync(modulePath, transpiled.outputText);
+const marquee = await import(pathToFileURL(modulePath));
+
+const drawing = {
+  dataId: "grease-pencil:Data",
+  layerId: "grease-pencil-layer:Data:Lines",
+  frame: 12,
+  drawingId: "grease-pencil-drawing:Data:4",
+};
+
+function point(strokeIndex, pointIndex, viewportPosition) {
+  return {
+    ...drawing,
+    strokeId: `grease-pencil-stroke:Data:4:${strokeIndex}`,
+    pointId: `grease-pencil-point:Data:4:${strokeIndex}:${pointIndex}`,
+    strokeIndex,
+    pointIndex,
+    viewportPosition,
+  };
+}
+
+function request(candidates) {
+  return {
+    schemaVersion: 1,
+    baseRevision: 27,
+    baseSelectionRevision: 4,
+    drawing,
+    box: { left: 0.2, top: 0.2, right: 0.8, bottom: 0.8 },
+    candidates,
+  };
+}
+
+test("M9-06 selects stable point and stroke IDs only inside the current drawing marquee", () => {
+  const result = marquee.selectGreasePencilMarquee(request([
+    point(1, 1, [0.5, 0.5]),
+    point(0, 2, [0.8, 0.2]),
+    point(0, 0, [0.1, 0.5]),
+  ]), 27);
+  assert.deepEqual(result.drawing, drawing);
+  assert.equal(result.baseSelectionRevision, 4);
+  assert.deepEqual(result.selectedStrokeIds, [
+    "grease-pencil-stroke:Data:4:0",
+    "grease-pencil-stroke:Data:4:1",
+  ]);
+  assert.deepEqual(result.selectedPoints.map(({ pointId, strokeId, strokeIndex, pointIndex }) => ({ pointId, strokeId, strokeIndex, pointIndex })), [
+    { pointId: "grease-pencil-point:Data:4:0:2", strokeId: "grease-pencil-stroke:Data:4:0", strokeIndex: 0, pointIndex: 2 },
+    { pointId: "grease-pencil-point:Data:4:1:1", strokeId: "grease-pencil-stroke:Data:4:1", strokeIndex: 1, pointIndex: 1 },
+  ]);
+});
+
+test("M9-06 rejects stale, foreign-drawing, duplicate and forged marquee candidates", () => {
+  assert.throws(() => marquee.selectGreasePencilMarquee(request([point(0, 0, [0.5, 0.5])]), 28), (error) => error.code === "REVISION_CONFLICT");
+  assert.throws(() => marquee.selectGreasePencilMarquee(request([{ ...point(0, 0, [0.5, 0.5]), drawingId: "grease-pencil-drawing:Data:5" }]), 27), (error) => error.code === "GREASE_PENCIL_SELECTION_SCOPE_INVALID");
+  const duplicate = point(0, 0, [0.5, 0.5]);
+  assert.throws(() => marquee.selectGreasePencilMarquee(request([duplicate, { ...duplicate }]), 27), (error) => error.code === "GREASE_PENCIL_SELECTION_INVALID");
+  assert.throws(() => marquee.selectGreasePencilMarquee(request([{ ...point(0, 0, [0.5, 0.5]), pointId: "point:0" }]), 27), (error) => error.code === "GREASE_PENCIL_SELECTION_INVALID");
+  assert.throws(() => marquee.selectGreasePencilMarquee({ ...request([]), box: { left: 0.8, top: 0.2, right: 0.2, bottom: 0.8 } }, 27), (error) => error.code === "GREASE_PENCIL_SELECTION_INVALID");
+});
+
+test("M9-06 rejects a marquee candidate list over the bounded drawing point budget", () => {
+  const candidates = new Array(marquee.GREASE_PENCIL_MARQUEE_BUDGET.maxCandidates + 1).fill(null);
+  assert.throws(() => marquee.selectGreasePencilMarquee(request(candidates), 27), (error) => error.code === "GREASE_PENCIL_BUDGET_EXCEEDED");
+});