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This commit is contained in:
zeus
2025-01-22 16:22:33 +08:00
parent 09b9cec8ec
commit 738c373a77
2534 changed files with 0 additions and 486292 deletions
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iOS-SwiftUI-Code/GRDB.swift-6.29.3/Tests/GRDBTests/DropWhileCursorTests.swift
-64
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@@ -1,64 +0,0 @@
import XCTest
import GRDB
private struct TestError : Error { }
class DropWhileCursorTests: GRDBTestCase {
func testDropWhileCursorFromCursor() throws {
do {
let base = AnyCursor([1, 2, 3, 1, 5])
let cursor = base.drop(while: { $0 < 3 })
try XCTAssertEqual(cursor.next()!, 3)
try XCTAssertEqual(cursor.next()!, 1)
try XCTAssertEqual(cursor.next()!, 5)
XCTAssertTrue(try cursor.next() == nil) // end
XCTAssertTrue(try cursor.next() == nil) // past the end
}
do {
let base = AnyCursor([1, 2, 3, 1, 5])
let cursor = base.drop(while: { _ in true })
XCTAssertTrue(try cursor.next() == nil) // end
XCTAssertTrue(try cursor.next() == nil) // past the end
}
do {
let base = AnyCursor([1, 2, 3, 1, 5])
let cursor = base.drop(while: { _ in false })
try XCTAssertEqual(cursor.next()!, 1)
try XCTAssertEqual(cursor.next()!, 2)
try XCTAssertEqual(cursor.next()!, 3)
try XCTAssertEqual(cursor.next()!, 1)
try XCTAssertEqual(cursor.next()!, 5)
XCTAssertTrue(try cursor.next() == nil) // end
XCTAssertTrue(try cursor.next() == nil) // past the end
}
do {
let base = AnyCursor([1, 2, 3, 1, 5])
let cursor = base.drop(while: { _ in throw TestError() })
_ = try cursor.next()
XCTFail()
} catch is TestError {
} catch {
XCTFail()
}
}
func testDropWhileCursorFromThrowingCursor() throws {
var i = 0
let base: AnyCursor<Int> = AnyCursor {
guard i < 4 else { throw TestError() }
defer { i += 1 }
return i
}
let cursor = base.drop(while: { $0 < 3 })
try XCTAssertEqual(cursor.next()!, 3)
do {
_ = try cursor.next()
XCTFail()
} catch is TestError {
} catch {
XCTFail()
}
}
}