import { assert, describe, it } from "@effect/vitest"; import { getDefaultBuildArch, resolveHostProcessArch } from "./build-target-arch.ts"; describe("build-target-arch", () => {  it("prefers arm64 for Windows-on-Arm hosts running x64 emulation", () => {    // Windows-on-Arm can run an x64 Node process under emulation while still    // exposing the real host CPU via PROCESSOR_ARCHITEW6432.    const hostArch = resolveHostProcessArch("win32", "x64", {      PROCESSOR_ARCHITECTURE: "AMD64", // The currently running Node process is x64.      PROCESSOR_ARCHITEW6432: "ARM64", // Windows exposes the real host CPU here when x64 runs under ARM emulation.    });     assert.equal(hostArch, "arm64");  });   it("falls back to x64 for native x64 Windows hosts", () => {    const hostArch = resolveHostProcessArch("win32", "x64", {      PROCESSOR_ARCHITECTURE: "AMD64", // Both the process and the Windows host are native x64.    });     assert.equal(hostArch, "x64");  });   it("keeps arm64 when the current process is already native arm64", () => {    const hostArch = resolveHostProcessArch("win32", "arm64", {});     assert.equal(hostArch, "arm64");  });   it("uses the resolved host arch when selecting the default Windows build arch", () => {    // This mirrors the packaging script's default-path behavior: the current    // process is x64, but the machine itself is ARM64, so the default build    // target should be win-arm64 rather than win-x64.    const arch = getDefaultBuildArch(      "win",      "x64",      {        PROCESSOR_ARCHITECTURE: "AMD64", // The currently running Node process is x64.        PROCESSOR_ARCHITEW6432: "ARM64", // The process is x64, but the actual Windows host is ARM64.      },      { archChoices: ["x64", "arm64"] },    );     assert.equal(arch, "arm64");  });   it("does not apply Windows host env heuristics for non-Windows targets", () => {    const arch = getDefaultBuildArch(      "linux",      "x64",      {        PROCESSOR_ARCHITECTURE: "AMD64",        PROCESSOR_ARCHITEW6432: "ARM64",      },      { archChoices: ["x64", "arm64"] },    );     assert.equal(arch, "x64");  });});