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zeus
2025-01-22 16:22:33 +08:00
parent 09b9cec8ec
commit 738c373a77
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iOS-SwiftUI-Code/GRDB.swift-6.29.3/Tests/GRDBTests/OrderedDictionaryTests.swift
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import XCTest
@testable import GRDB
class OrderedDictionaryTests: GRDBTestCase {
func testSubscriptWithDefaultValue() throws {
var dict: OrderedDictionary<String, [String]> = [:]
dict["a", default: []].append("foo")
dict["a", default: []].append("bar")
XCTAssertEqual(dict, ["a": ["foo", "bar"]])
}
func testMergingUniquingKeysWith() {
do {
let dict: OrderedDictionary = ["a": 1, "b": 2]
let otherDictionary = ["a": 3, "c": 4]
let otherOrderedDictionary: OrderedDictionary = ["a": 3, "c": 4]
let otherSequence = zip(["a", "c"], [3, 4])
do {
let result = dict.merging(otherDictionary, uniquingKeysWith: { (current, _) in current })
XCTAssertEqual(result, ["a": 1, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherOrderedDictionary, uniquingKeysWith: { (current, _) in current })
XCTAssertEqual(result, ["a": 1, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherSequence, uniquingKeysWith: { (current, _) in current })
XCTAssertEqual(result, ["a": 1, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherDictionary, uniquingKeysWith: { (_, new) in new })
XCTAssertEqual(result, ["a": 3, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherOrderedDictionary, uniquingKeysWith: { (_, new) in new })
XCTAssertEqual(result, ["a": 3, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherSequence, uniquingKeysWith: { (_, new) in new })
XCTAssertEqual(result, ["a": 3, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherDictionary, uniquingKeysWith: { $0 + $1 })
XCTAssertEqual(result, ["a": 4, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherOrderedDictionary, uniquingKeysWith: { $0 + $1 })
XCTAssertEqual(result, ["a": 4, "b": 2, "c": 4])
}
do {
let result = dict.merging(otherSequence, uniquingKeysWith: { $0 + $1 })
XCTAssertEqual(result, ["a": 4, "b": 2, "c": 4])
}
}
}
func testDescription() {
do {
// One key/value pair
let dict: OrderedDictionary = ["toto": "foo"]
XCTAssertEqual(dict.description, #"["toto": "foo"]"#)
}
do {
// Two key/value pairs
let dict: OrderedDictionary = ["toto": "foo", "titi": "bar"]
XCTAssertEqual(dict.description, #"["toto": "foo", "titi": "bar"]"#)
}
}
func testOrderedDictionaryDescriptionEqualsDictionaryDescription() {
struct Key: Hashable, CustomStringConvertible, CustomDebugStringConvertible {
var description: String { "Key description" }
var debugDescription: String { "Key debugDescription" }
}
struct Value: CustomStringConvertible, CustomDebugStringConvertible {
var description: String { "Value description" }
var debugDescription: String { "Value debugDescription" }
}
do {
let dict = [Key(): Value()]
let orderedDict: OrderedDictionary = [Key(): Value()]
XCTAssertEqual(String(describing: orderedDict), String(describing: dict))
}
}
}