files core monitortests coremonitorsingleinstancepolicytests swift a659df33

File: Core-MonitorTests/CoreMonitorSingleInstancePolicyTests.swift

Current Role

• Area: Tests.
• This page records the file's current repository role, source metadata, and recent commit history.
• Review nearby tests and commit pages before changing this file.

Metadata

Field	Value
Source path	Core-MonitorTests/CoreMonitorSingleInstancePolicyTests.swift
Wiki area	Tests
Exists in current checkout	True
Size	2631 bytes
Binary	False
Line count	84
Extension	.swift

Imports

XCTest

Declarations

Kind	Name	Line
class	CoreMonitorSingleInstancePolicyTests	2
func	testHandoffTargetIgnoresCurrentProcessAndUnreadyPeers	5
func	testHandoffTargetPrefersOldestFinishedRunningInstance	37
func	testHandoffTargetFallsBackToPIDWhenLaunchDateIsMissing	60

Recent Change History

Commit	Date	Subject
a62ded6	2026-04-16	Prevent duplicate Core Monitor launches

Maintenance Notes

• Prefer focused changes that respect the ownership described above.
• If this file touches helper trust, SMC writes, startup, or permissions, update the relevant support docs and tests.
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Source Excerpt

import XCTest
@testable import Core_Monitor

final class CoreMonitorSingleInstancePolicyTests: XCTestCase {
    func testHandoffTargetIgnoresCurrentProcessAndUnreadyPeers() {
        let currentPID = pid_t(900)
        let launchDate = Date(timeIntervalSince1970: 100)

        let candidates = [
            CoreMonitorRunningInstance(
                processIdentifier: currentPID,
                launchDate: launchDate,
                isFinishedLaunching: true,
                isTerminated: false
            ),
            CoreMonitorRunningInstance(
                processIdentifier: 901,
                launchDate: Date(timeIntervalSince1970: 90),
                isFinishedLaunching: false,
                isTerminated: false
            ),
            CoreMonitorRunningInstance(
                processIdentifier: 902,
                launchDate: Date(timeIntervalSince1970: 80),
                isFinishedLaunching: true,
                isTerminated: true
            )
        ]

        XCTAssertNil(
            CoreMonitorSingleInstancePolicy.handoffTarget(
                from: candidates,
                currentPID: currentPID
            )
        )
    }

    func testHandoffTargetPrefersOldestFinishedRunningInstance() {
        let currentPID = pid_t(900)
        let oldest = CoreMonitorRunningInstance(