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wren/test/io/file/read_bytes.wren

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import "io" for File
var file = File.open("test/io/file/file.txt")
System.print(file.readBytes(3)) // expect: thi
// Always reads from the beginning.
System.print(file.readBytes(7)) // expect: this is
// Allows zero.
System.print(file.readBytes(0).bytes.count) // expect: 0
file.close()