38 lines
1.5 KiB
Java
38 lines
1.5 KiB
Java
import java.util.List;
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import cs2030s.fp.Immutator;
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import cs2030s.fp.Reader;
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/**
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* Test 1 for CS2030S Mock PE 2 (AY22/23 Sem 2). Tests
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* for Reader of(), read(), and hasNext() methods
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*
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* @author Adi Yoga S. Prabawa
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*/
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class Test1 {
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/**
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* Main method for Test1.
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*
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* @param args Ignored and unused command line arguments.
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*/
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public static void main(String[] args) {
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CS2030STest i = new CS2030STest();
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Reader<Integer> intInput = Reader.of(2, 0, 3, 0);
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i.expect("Reader<Integer> intInput = Reader.of(2, 0, 3, 0)", Reader.of(2, 0, 3, 0).toString(), "Reader");
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i.expect("intInput.read()", intInput.read(), 2);
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i.expect("intInput.read() to still read the same thing", intInput.read(), 2);
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i.expect("intInput.hasNext()", intInput.hasNext(), true);
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Reader<Object> noInput = Reader.of();
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i.expect("Reader<Object> noInput = Reader.of()", Reader.of().toString(), "EOF");
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i.expectException("noInput.read()", () -> { noInput.read(); return; }, new java.util.NoSuchElementException());
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i.expect("intInput.hasNext()", noInput.hasNext(), false);
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Reader<String> strInput = Reader.of("CS", "2030", "S");
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i.expect("Reader<String> strInput = Reader.of(\"CS\", \"2030\", \"S\")", Reader.of("CS", "2030", "S").toString(), "Reader");
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i.expect("strInput.read()", strInput.read(), "CS");
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i.expect("strInput.read() to still read the same thing", strInput.read(), "CS");
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i.expect("strInput.hasNext()", strInput.hasNext(), true);
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}
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}
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