83 lines
2.2 KiB
Swift
83 lines
2.2 KiB
Swift
import Foundation
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import Testing
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import DataLiteCore
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struct FunctionRegexpTests {
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@Test func metadata() {
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#expect(Regexp.argc == 2)
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#expect(Regexp.name == "REGEXP")
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#expect(Regexp.options == [.deterministic, .innocuous])
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}
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@Test func invalidArguments() {
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let arguments: Arguments = [.int(1), .text("value")]
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#expect(
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performing: {
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try Regexp.invoke(args: arguments)
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},
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throws: {
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switch $0 {
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case Regexp.Error.invalidArguments:
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return true
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default:
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return false
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}
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}
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)
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}
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@Test func invalidPattern() {
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let arguments: Arguments = [.text("("), .text("value")]
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#expect(
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performing: {
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try Regexp.invoke(args: arguments)
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},
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throws: {
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switch $0 {
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case Regexp.Error.regexError:
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return true
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default:
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return false
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}
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}
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)
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}
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@Test func matchesPattern() throws {
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let arguments: Arguments = [.text("foo.*"), .text("foobar")]
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#expect(try Regexp.invoke(args: arguments) as? Bool == true)
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}
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@Test func doesNotMatchPattern() throws {
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let arguments: Arguments = [.text("bar.*"), .text("foobar")]
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#expect(try Regexp.invoke(args: arguments) as? Bool == false)
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}
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}
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private extension FunctionRegexpTests {
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typealias Regexp = Function.Regexp
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struct Arguments: ArgumentsProtocol, ExpressibleByArrayLiteral {
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private let values: [SQLiteValue]
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var startIndex: Int { values.startIndex }
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var endIndex: Int { values.endIndex }
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init(_ values: [SQLiteValue]) {
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self.values = values
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}
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init(arrayLiteral elements: SQLiteValue...) {
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self.values = elements
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}
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subscript(index: Int) -> SQLiteValue {
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values[index]
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}
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func index(after i: Int) -> Int {
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values.index(after: i)
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}
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}
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}
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