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// RUN: %target-run-simple-swift
// REQUIRES: executable_test
import StdlibUnittest
#if canImport(Darwin)
import Darwin
#elseif canImport(Glibc)
import Glibc
#elseif os(Windows)
import MSVCRT
#elseif canImport(Android)
import Android
#else
#error("Unsupported platform")
#endif
func simple_getline() -> [UInt8]? {
var result = [UInt8]()
while true {
let c = getchar()
if c == EOF {
if result.count == 0 {
return nil
}
return result
}
result.append(UInt8(c))
if c == CInt(UnicodeScalar("\n").value) {
return result
}
}
}
var StdinTestSuite = TestSuite("Stdin")
StdinTestSuite.test("Empty")
.stdin("")
.code {
}
StdinTestSuite.test("EmptyLine")
.stdin("\n")
.code {
expectEqual([ 0x0a ], simple_getline())
}
StdinTestSuite.test("Whitespace")
.stdin(" \n")
.code {
expectEqual([ 0x20, 0x0a ], simple_getline())
}
StdinTestSuite.test("NonEmptyLine")
.stdin("abc\n")
.code {
expectEqual([ 0x61, 0x62, 0x63, 0x0a ], simple_getline())
}
StdinTestSuite.test("TwoLines")
.stdin("abc\ndefghi\n")
.code {
expectEqual([ 0x61, 0x62, 0x63, 0x0a ], simple_getline())
expectEqual(
[ 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x0a ], simple_getline())
}
StdinTestSuite.test("EOF/1")
.stdin("abc\n", eof: true)
.code {
expectEqual([ 0x61, 0x62, 0x63, 0x0a ], simple_getline())
}
StdinTestSuite.test("EOF/2")
.stdin("abc\n", eof: true)
.code {
expectEqual([ 0x61, 0x62, 0x63, 0x0a ], simple_getline())
}
runAllTests()
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