mirror of
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macos: remove IntrinsicSizeTimingTests temporarily (#11332)
These were too flaky. cc @bo2themax
This commit is contained in:
Mitchell Hashimoto
@@ -1,462 +0,0 @@
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import AppKit
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import Combine
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import SwiftUI
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import Testing
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@testable import Ghostty
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// MARK: - Test helpers
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/// Mimics TerminalView's .frame(idealWidth:idealHeight:) pattern where
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/// values come from lastFocusedSurface?.value?.initialSize, which may
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/// be nil before @FocusedValue propagates.
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private struct OptionalIdealSizeView: View {
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let idealWidth: CGFloat?
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let idealHeight: CGFloat?
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let titlebarStyle: Ghostty.Config.MacOSTitlebarStyle
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var body: some View {
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VStack(spacing: 0) {
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Color.clear
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.frame(idealWidth: idealWidth, idealHeight: idealHeight)
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}
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// Matches TerminalView line 108: hidden style extends into titlebar
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.ignoresSafeArea(.container, edges: titlebarStyle == .hidden ? .top : [])
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}
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}
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private let minReasonableWidth: CGFloat = 100
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private let minReasonableHeight: CGFloat = 50
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/// All macos-titlebar-style values that map to different window nibs.
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private let allTitlebarStyles: [Ghostty.Config.MacOSTitlebarStyle] = [.native, .hidden, .transparent, .tabs]
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/// Window style masks that roughly correspond to each titlebar style.
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/// In real Ghostty these come from different nib files; in tests we
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/// approximate with NSWindow style masks.
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private func styleMask(for titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) -> NSWindow.StyleMask {
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switch titlebarStyle {
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case .hidden:
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return [.titled, .resizable, .fullSizeContentView]
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case .transparent, .tabs:
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return [.titled, .resizable, .fullSizeContentView]
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case .native:
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return [.titled, .resizable]
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}
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}
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// MARK: - Tests
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/// Regression tests for Issue #11256: incorrect intrinsicContentSize
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/// race condition in TerminalController.windowDidLoad().
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///
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/// The contentIntrinsicSize branch of DefaultSize reads
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/// intrinsicContentSize after a 40ms delay. But intrinsicContentSize
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/// depends on @FocusedValue propagating lastFocusedSurface, which is
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/// async and may not complete in time — producing a tiny window.
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///
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/// These tests cover the matrix of:
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/// - With/without window-width/window-height (initialSize set vs nil)
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/// - All macos-titlebar-style values (native, hidden, transparent, tabs)
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@Suite(.bug("https://github.com/ghostty-org/ghostty/issues/11256", "Incorrect intrinsicContentSize with native titlebar"))
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struct IntrinsicSizeTimingTests {
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// MARK: - Bug: nil ideal sizes → tiny window
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/// When window-width/height is set, defaultSize returns .contentIntrinsicSize.
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/// Before @FocusedValue propagates, idealWidth/idealHeight are nil and
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/// intrinsicContentSize returns a tiny value.
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@Test(.bug("https://github.com/ghostty-org/ghostty/issues/11256", "intrinsicContentSize too small before @FocusedValue propagates"),
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arguments: allTitlebarStyles)
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func intrinsicSizeTooSmallWithNilIdealSize(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let expectedSize = NSSize(width: 600, height: 400)
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// nil ideal sizes = @FocusedValue hasn't propagated lastFocusedSurface
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(idealWidth: nil, idealHeight: nil, titlebarStyle: titlebarStyle)
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}
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// Set initialContentSize so intrinsicContentSize returns the
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// correct value immediately, without waiting for @FocusedValue.
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await MainActor.run {
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container.initialContentSize = expectedSize
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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await MainActor.run {
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window.contentView = container
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}
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let size = await container.intrinsicContentSize
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#expect(
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size.width >= minReasonableWidth && size.height >= minReasonableHeight,
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"[\(titlebarStyle)] intrinsicContentSize is too small: \(size). Expected at least \(minReasonableWidth)x\(minReasonableHeight)"
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)
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await MainActor.run { window.close() }
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}
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/// Verifies that DefaultSize.contentIntrinsicSize.apply() produces a
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/// too-small window when intrinsicContentSize is based on nil ideal sizes.
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@Test(.bug("https://github.com/ghostty-org/ghostty/issues/11256", "apply() sets wrong window size due to racy intrinsicContentSize"),
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arguments: allTitlebarStyles)
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func applyProducesWrongSizeWithNilIdealSize(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(idealWidth: nil, idealHeight: nil, titlebarStyle: titlebarStyle)
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}
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await MainActor.run {
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container.initialContentSize = NSSize(width: 600, height: 400)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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let contentLayoutSize = await MainActor.run {
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window.contentView = container
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let defaultSize = TerminalController.DefaultSize.contentIntrinsicSize
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defaultSize.apply(to: window)
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// Use contentLayoutRect — the usable area excluding titlebar
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return window.contentLayoutRect.size
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}
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#expect(
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contentLayoutSize.width >= minReasonableWidth && contentLayoutSize.height >= minReasonableHeight,
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"[\(titlebarStyle)] Window content layout size is too small after apply: \(contentLayoutSize)"
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)
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await MainActor.run { window.close() }
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}
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/// Replicates the exact pattern from TerminalController.windowDidLoad():
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/// 1. Set window.contentView = container (with nil ideal sizes, simulating
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/// @FocusedValue not yet propagated)
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/// 2. DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(40))
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/// 3. Inside the callback: defaultSize.apply(to: window)
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///
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/// This is the core race condition: 40ms is not enough for @FocusedValue
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/// to propagate, so intrinsicContentSize is still tiny when apply() runs.
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@Test(.bug("https://github.com/ghostty-org/ghostty/issues/11256", "40ms async delay reads intrinsicContentSize before @FocusedValue propagates"),
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arguments: allTitlebarStyles)
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func asyncAfterDelayProducesWrongSizeWithNilIdealSize(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(idealWidth: nil, idealHeight: nil, titlebarStyle: titlebarStyle)
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}
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await MainActor.run {
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container.initialContentSize = NSSize(width: 600, height: 400)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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// Replicate TerminalController.windowDidLoad() exactly:
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// 1. Set contentView
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// 2. DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(40))
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// 3. apply() inside the callback
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let contentLayoutSize: NSSize = await withCheckedContinuation { continuation in
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DispatchQueue.main.async {
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window.contentView = container
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DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(40)) {
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let defaultSize = TerminalController.DefaultSize.contentIntrinsicSize
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defaultSize.apply(to: window)
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continuation.resume(returning: window.contentLayoutRect.size)
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}
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}
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}
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#expect(
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contentLayoutSize.width >= minReasonableWidth && contentLayoutSize.height >= minReasonableHeight,
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"[\(titlebarStyle)] After 40ms async delay, content layout size is too small: \(contentLayoutSize)"
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)
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await MainActor.run { window.close() }
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}
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/// Verifies that applying synchronously (without the async delay) also
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/// fails when ideal sizes are nil. This proves the fix must provide a
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/// fallback value, not just adjust timing.
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@Test(.bug("https://github.com/ghostty-org/ghostty/issues/11256", "Synchronous apply also fails without fallback"),
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arguments: allTitlebarStyles)
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func synchronousApplyAlsoFailsWithNilIdealSize(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(idealWidth: nil, idealHeight: nil, titlebarStyle: titlebarStyle)
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}
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await MainActor.run {
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container.initialContentSize = NSSize(width: 600, height: 400)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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let contentLayoutSize = await MainActor.run {
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window.contentView = container
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// Apply immediately — no async delay at all
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let defaultSize = TerminalController.DefaultSize.contentIntrinsicSize
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defaultSize.apply(to: window)
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return window.contentLayoutRect.size
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}
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#expect(
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contentLayoutSize.width >= minReasonableWidth && contentLayoutSize.height >= minReasonableHeight,
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"[\(titlebarStyle)] Synchronous apply with nil ideal sizes: content layout size too small: \(contentLayoutSize)"
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)
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await MainActor.run { window.close() }
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}
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// MARK: - Happy path: ideal sizes available (contentIntrinsicSize path)
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/// When @FocusedValue HAS propagated (ideal sizes are set), intrinsicContentSize
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/// should be correct for every titlebar style. This is the "happy path" that
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/// works today when the 40ms delay is sufficient.
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@Test(arguments: allTitlebarStyles)
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func intrinsicSizeCorrectWhenIdealSizesAvailable(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let expectedSize = NSSize(width: 600, height: 400)
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(
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idealWidth: expectedSize.width,
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idealHeight: expectedSize.height,
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titlebarStyle: titlebarStyle
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)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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await MainActor.run {
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window.contentView = container
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}
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// Wait for SwiftUI layout
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try await Task.sleep(nanoseconds: 100_000_000)
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let size = await container.intrinsicContentSize
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// intrinsicContentSize should be at least the ideal size.
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// With fullSizeContentView styles it may be slightly larger
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// due to safe area, but should never be smaller.
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#expect(
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size.width >= expectedSize.width && size.height >= expectedSize.height,
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"[\(titlebarStyle)] intrinsicContentSize (\(size)) should be >= expected \(expectedSize)"
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)
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await MainActor.run { window.close() }
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}
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/// Verifies that apply() sets a correctly sized window when ideal sizes
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/// are available, for each titlebar style.
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@Test(arguments: allTitlebarStyles)
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func applyProducesCorrectSizeWhenIdealSizesAvailable(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let expectedSize = NSSize(width: 600, height: 400)
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(
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idealWidth: expectedSize.width,
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idealHeight: expectedSize.height,
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titlebarStyle: titlebarStyle
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)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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await MainActor.run {
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window.contentView = container
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}
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// Wait for SwiftUI layout before apply
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try await Task.sleep(nanoseconds: 100_000_000)
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let contentLayoutSize = await MainActor.run {
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let defaultSize = TerminalController.DefaultSize.contentIntrinsicSize
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defaultSize.apply(to: window)
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// contentLayoutRect gives the usable area, excluding titlebar
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return window.contentLayoutRect.size
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}
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// The usable content area should be at least the expected size.
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#expect(
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contentLayoutSize.width >= expectedSize.width && contentLayoutSize.height >= expectedSize.height,
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"[\(titlebarStyle)] Content layout size (\(contentLayoutSize)) should be >= expected \(expectedSize) after apply"
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)
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await MainActor.run { window.close() }
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}
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/// Same async delay pattern but with ideal sizes available (happy path).
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/// This should always pass — it validates the delay works when @FocusedValue
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/// has already propagated.
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@Test(arguments: allTitlebarStyles)
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func asyncAfterDelayProducesCorrectSizeWhenIdealSizesAvailable(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let expectedSize = NSSize(width: 600, height: 400)
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(
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idealWidth: expectedSize.width,
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idealHeight: expectedSize.height,
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titlebarStyle: titlebarStyle
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)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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// Replicate the exact TerminalController.windowDidLoad() pattern
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let contentLayoutSize: NSSize = await withCheckedContinuation { continuation in
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DispatchQueue.main.async {
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window.contentView = container
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DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(40)) {
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let defaultSize = TerminalController.DefaultSize.contentIntrinsicSize
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defaultSize.apply(to: window)
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continuation.resume(returning: window.contentLayoutRect.size)
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}
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}
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}
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#expect(
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contentLayoutSize.width >= expectedSize.width && contentLayoutSize.height >= expectedSize.height,
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"[\(titlebarStyle)] Content layout size (\(contentLayoutSize)) should be >= expected \(expectedSize) after 40ms delay"
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)
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await MainActor.run { window.close() }
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}
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// MARK: - Without window-width/window-height (frame path)
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/// Without window-width/height config, defaultSize returns .frame or nil
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/// (never .contentIntrinsicSize). The window uses its initial frame.
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/// This should work for all titlebar styles regardless of the bug.
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@Test(arguments: allTitlebarStyles)
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func framePathWorksWithoutWindowSize(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let expectedFrame = NSRect(x: 100, y: 100, width: 800, height: 600)
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let container = await TerminalViewContainer {
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Color.clear
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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await MainActor.run {
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window.contentView = container
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let defaultSize = TerminalController.DefaultSize.frame(expectedFrame)
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defaultSize.apply(to: window)
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}
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let frame = await MainActor.run { window.frame }
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#expect(
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frame == expectedFrame,
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"[\(titlebarStyle)] Window frame (\(frame)) should match expected \(expectedFrame)"
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)
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await MainActor.run { window.close() }
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}
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// MARK: - isChanged
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/// Verifies isChanged correctly detects mismatch for contentIntrinsicSize
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/// across titlebar styles when ideal sizes are available.
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@Test(arguments: allTitlebarStyles)
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func isChangedDetectsMismatch(titlebarStyle: Ghostty.Config.MacOSTitlebarStyle) async throws {
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let expectedSize = NSSize(width: 600, height: 400)
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let container = await TerminalViewContainer {
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OptionalIdealSizeView(
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idealWidth: expectedSize.width,
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idealHeight: expectedSize.height,
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titlebarStyle: titlebarStyle
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)
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}
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
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styleMask: styleMask(for: titlebarStyle),
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backing: .buffered,
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defer: false
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)
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await MainActor.run {
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window.contentView = container
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}
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try await Task.sleep(nanoseconds: 100_000_000)
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let defaultSize = TerminalController.DefaultSize.contentIntrinsicSize
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let changedBefore = await MainActor.run { defaultSize.isChanged(for: window) }
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#expect(changedBefore, "[\(titlebarStyle)] isChanged should return true before apply")
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await MainActor.run { defaultSize.apply(to: window) }
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let changedAfter = await MainActor.run { defaultSize.isChanged(for: window) }
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#expect(!changedAfter, "[\(titlebarStyle)] isChanged should return false after apply")
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await MainActor.run { window.close() }
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}
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/// Verifies isChanged for the .frame path.
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@Test func isChangedForFramePath() async throws {
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let expectedFrame = NSRect(x: 100, y: 100, width: 800, height: 600)
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let window = await NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 400, height: 300),
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styleMask: [.titled, .resizable],
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backing: .buffered,
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defer: false
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)
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let defaultSize = TerminalController.DefaultSize.frame(expectedFrame)
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let changedBefore = await MainActor.run { defaultSize.isChanged(for: window) }
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#expect(changedBefore, "isChanged should return true before apply")
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await MainActor.run { defaultSize.apply(to: window) }
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let changedAfter = await MainActor.run { defaultSize.isChanged(for: window) }
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#expect(!changedAfter, "isChanged should return false after apply")
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await MainActor.run { window.close() }
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}
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}
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