A string literal split with ~ ("a" ~ "b") is the single literal "ab",
the way long values and namespace URIs are wrapped across lines. The fold
applies wherever a string literal is read: value literals and the URIs of
namespace/datatypes/include/external declarations.
34 lines
1.2 KiB
Swift
34 lines
1.2 KiB
Swift
@testable import PureXML
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import Testing
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@Suite("RELAX NG compact string concatenation")
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struct RelaxNGCompactConcatTests {
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private func validRNC(_ rnc: String, _ xml: String) throws -> Bool {
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try PureXML.Schema.RelaxNG(compact: rnc).validate(xml)
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}
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@Test("A value literal split with ~ is concatenated")
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func test_valueConcatenation() throws {
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let rnc = "element greeting { \"hello \" ~ \"world\" }"
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#expect(try validRNC(rnc, "<greeting>hello world</greeting>"))
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#expect(try !validRNC(rnc, "<greeting>hello</greeting>"))
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}
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@Test("More than two segments concatenate left to right")
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func test_multiSegment() throws {
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let rnc = "element n { \"a\" ~ \"b\" ~ \"c\" }"
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#expect(try validRNC(rnc, "<n>abc</n>"))
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#expect(try !validRNC(rnc, "<n>ab</n>"))
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}
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@Test("A namespace URI may be assembled with ~")
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func test_namespaceConcatenation() throws {
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let rnc = """
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namespace p = "urn:" ~ "example"
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element root { element p:item { empty } }
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"""
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#expect(try validRNC(rnc, "<root xmlns:p=\"urn:example\"><p:item/></root>"))
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#expect(try !validRNC(rnc, "<root xmlns:p=\"urn:other\"><p:item/></root>"))
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}
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}
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