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ichmagmaus111andClaude Opus 5.5
0622057a4f
Ghostgram for iOS, rebuilt from scratch on Telegram iOS 13.0. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
64 lines
3.3 KiB
Swift
64 lines
3.3 KiB
Swift
#if canImport(UIKit)
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import XCTest
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import UIKit
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@testable import RichTextEditorUIKit
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import RichTextEditorCore
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@available(iOS 16.0, *)
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final class CanvasBlockMeasureTests: XCTestCase {
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private let mapper = AttributedStringMapper()
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private let longText = "A reasonably long paragraph that wraps onto several lines at narrow widths so its height changes."
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// measuredHeight at a box's CURRENT width equals its live height; at another width it equals a
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// box freshly laid out there. Insets are structural (width-independent), so reading them is correct.
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func test_blockBox_measuredHeight_parity() {
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let p = ParagraphBlock(id: BlockID("p"), runs: [TextRun(text: longText)])
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let a = BlockBox(paragraph: p, mapper: mapper, width: 300)
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let b = BlockBox(paragraph: p, mapper: mapper, width: 140)
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BlockStack(boxes: [a]).layout(origin: .zero, width: 300)
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BlockStack(boxes: [b]).layout(origin: .zero, width: 140)
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XCTAssertEqual(a.measuredHeight(forWidth: 300), a.height, accuracy: 0.5)
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XCTAssertEqual(a.measuredHeight(forWidth: 140), b.height, accuracy: 0.5)
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}
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func test_blockBox_measuredHeight_doesNotMutate() {
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let a = BlockBox(paragraph: ParagraphBlock(id: BlockID("p"), runs: [TextRun(text: longText)]), mapper: mapper, width: 300)
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BlockStack(boxes: [a]).layout(origin: .zero, width: 300)
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let before = a.height
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_ = a.measuredHeight(forWidth: 90)
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XCTAssertEqual(a.height, before, accuracy: 0.001)
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XCTAssertEqual(a.frame.width, 300, accuracy: 0.001)
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}
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func test_codeBlock_measuredHeight_parity() {
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let c = CodeBlock(id: BlockID("c"), runs: [TextRun(text: "let x = compute(a, b, c, d, e, f, g, h, i, j, k, l, m)")])
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let a = CodeBlockBox(code: c, mapper: mapper, width: 300)
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let b = CodeBlockBox(code: c, mapper: mapper, width: 140)
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BlockStack(boxes: [a]).layout(origin: .zero, width: 300)
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BlockStack(boxes: [b]).layout(origin: .zero, width: 140)
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XCTAssertEqual(a.measuredHeight(forWidth: 300), a.height, accuracy: 0.5)
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XCTAssertEqual(a.measuredHeight(forWidth: 140), b.height, accuracy: 0.5)
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}
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func test_mediaBlock_measuredHeight_parity() {
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let m = MediaBlock(id: BlockID("img"), mediaID: "x", naturalSize: Size2D(width: 400, height: 300))
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let a = MediaBlockBox(media: m, mapper: mapper, width: 300)
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let b = MediaBlockBox(media: m, mapper: mapper, width: 140)
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BlockStack(boxes: [a]).layout(origin: .zero, width: 300)
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BlockStack(boxes: [b]).layout(origin: .zero, width: 140)
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XCTAssertEqual(a.measuredHeight(forWidth: 300), a.height, accuracy: 0.5)
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XCTAssertEqual(a.measuredHeight(forWidth: 140), b.height, accuracy: 0.5)
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}
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func test_stack_measuredHeight_sumsBoxes() {
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let boxes: [CanvasBlock] = [
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BlockBox(paragraph: ParagraphBlock(id: BlockID("a"), runs: [TextRun(text: longText)]), mapper: mapper, width: 300),
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BlockBox(paragraph: ParagraphBlock(id: BlockID("b"), runs: [TextRun(text: "Short")]), mapper: mapper, width: 300),
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]
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let stack = BlockStack(boxes: boxes)
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stack.layout(origin: .zero, width: 300)
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XCTAssertEqual(stack.measuredHeight(forWidth: 300), boxes.reduce(0) { $0 + $1.height }, accuracy: 0.5)
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}
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}
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#endif
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