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71 lines
2.5 KiB
Swift
71 lines
2.5 KiB
Swift
@testable @_spi(Internal) import DivKit
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import LayoutKit
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import XCTest
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final class DivLastVisibleBoundsCacheTests: XCTestCase {
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private let cache = DivLastVisibleBoundsCache()
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func test_lastVisibleArea_ReturnsZeroFromEmptyCache() {
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XCTAssertEqual(cache.lastVisibleArea(for: "path"), 0)
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}
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func test_updateLastVisibleArea_PutsValue() {
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cache.updateLastVisibleArea(for: "path", area: 12)
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XCTAssertEqual(cache.lastVisibleArea(for: "path"), 12)
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}
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func test_reset_ResetsCache() {
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cache.updateLastVisibleArea(for: "path", area: 12)
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cache.reset()
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XCTAssertEqual(cache.lastVisibleArea(for: "path"), 0)
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}
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func test_dropVisibleBounds_RemovesValuesWithGivenPrefix() {
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cache.updateLastVisibleArea(for: "root", area: 50)
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cache.updateLastVisibleArea(for: "root" + "container", area: 75)
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cache.updateLastVisibleArea(for: "root" + "container" + "element", area: 100)
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cache.updateLastVisibleArea(for: "another_root", area: 10)
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cache.dropVisibleBounds(prefix: "root" + "container")
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XCTAssertEqual(cache.lastVisibleArea(for: "root" + "container"), 0)
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XCTAssertEqual(cache.lastVisibleArea(for: "root" + "container" + "element"), 0)
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}
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func test_dropVisibleBounds_KeepsValuesWithDifferentPrefx() {
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cache.updateLastVisibleArea(for: "root", area: 50)
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cache.updateLastVisibleArea(for: "root" + "container", area: 75)
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cache.updateLastVisibleArea(for: "root" + "container" + "element", area: 100)
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cache.updateLastVisibleArea(for: "another_root", area: 10)
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cache.dropVisibleBounds(prefix: "root" + "container")
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XCTAssertEqual(cache.lastVisibleArea(for: "root"), 50)
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XCTAssertEqual(cache.lastVisibleArea(for: "another_root"), 10)
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}
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func test_onBecomeInvisible_RemovesValuesForPreviouslyVisibleElement() {
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cache.updateLastVisibleArea(for: "root", area: 50)
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cache.updateLastVisibleArea(for: "root" + "container", area: 75)
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cache.onBecomeInvisible("root")
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XCTAssertEqual(cache.lastVisibleArea(for: "root"), 0)
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XCTAssertEqual(cache.lastVisibleArea(for: "root" + "container"), 0)
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}
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func test_onBecomeInvisible_DoesNotRemoveValuesForPreviouslyInvisibleElement() {
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cache.onBecomeInvisible("root")
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cache.updateLastVisibleArea(for: "root", area: 50)
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cache.updateLastVisibleArea(for: "root" + "container", area: 75)
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cache.onBecomeInvisible("root")
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XCTAssertEqual(cache.lastVisibleArea(for: "root"), 50)
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XCTAssertEqual(cache.lastVisibleArea(for: "root" + "container"), 75)
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}
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}
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