Mihaela Mihaljevic
d2421aa0ce
Int(_, radix:) accepts a sign, so 0-3 (a CPU range, a port range) was read as the integer -3, and 0x-1, 0b-1 and 0o-1 as negative numbers. After a radix prefix only digits may follow. Octal, hex, binary and signed integers read as before.
26 lines
1.4 KiB
Swift
26 lines
1.4 KiB
Swift
@testable import PureYAML
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import Testing
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/// A plain scalar that starts with `0` is an octal integer only when everything after the `0` is octal digits. A sign after the leading zero makes it text:
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/// `0-3` is the range "0 to 3" (a CPU set, a port range), not minus three.
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@Suite("Plain scalars that begin with a zero")
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struct SignedOctalLookalikeTests {
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@Test("A zero followed by a sign is text", arguments: ["0-3", "0-15", "0+1", "00-1", "0x-1", "0b-1", "0o-1"])
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func test_signAfterTheLeadingZeroIsText(_ scalar: String) throws {
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#expect(try PureYAML.parse("key: \(scalar)\n") == .mapping(.init([.init(key: "key", value: .string(scalar))])))
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}
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@Test("Octal, hexadecimal, binary and signed integers stay integers", arguments: [
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("0755", 493), ("0", 0), ("-0", 0), ("0x1F", 31), ("0b101", 5), ("0o17", 15), ("-12", -12), ("+7", 7), ("-0755", -493),
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])
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func test_integersAreStillIntegers(_ scalar: String, _ expected: Int) throws {
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#expect(try PureYAML.parse("key: \(scalar)\n") == .mapping(.init([.init(key: "key", value: .int(expected))])))
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}
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@Test("A range written with a leading zero survives a round trip", arguments: ["0-3", "0-15"])
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func test_rangeRoundTrips(_ scalar: String) throws {
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let value = PureYAML.Model.Value.mapping(.init([.init(key: "cpuset", value: .string(scalar))]))
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#expect(try PureYAML.parse(PureYAML.dump(value)) == value)
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}
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}
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