65 lines
2.8 KiB
Java
65 lines
2.8 KiB
Java
class Test6 {
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public static void main(String[] args) {
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CS2030STest we = new CS2030STest();
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class Incr implements Immutator<Integer,Integer> {
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public Integer invoke(Integer t1) {
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return t1 + 1;
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}
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}
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class Length implements Immutator<Integer,String> {
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public Integer invoke(String t1) {
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return t1.length();
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}
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}
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Probably<Immutator<Integer,Integer>> justIncr = Probably.just(new Incr());
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Probably<Immutator<Integer,String>> justLength = Probably.just(new Length());
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Probably<Immutator<Integer,Integer>> noIncr = Probably.none();
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Probably<Immutator<Integer,String>> noLength = Probably.none();
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we.prefix("jshell> class Incr implements Immutator<Integer,Integer> {");
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we.prefix(" ...> public Integer invoke(Integer t1) {");
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we.prefix(" ...> return t1 + 1;");
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we.prefix(" ...> }");
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we.prefix("jshell> class Length implements Immutator<Integer,String> {");
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we.prefix(" ...> public Integer invoke(String t1) {");
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we.prefix(" ...> return t1.length();");
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we.prefix(" ...> }");
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we.prefix("jshell> Probably<Immutator<Integer,Integer>> justIncr = Probably.just(new Incr());");
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we.prefix("jshell> Probably<Immutator<Integer,String>> justLength = Probably.just(new Length());");
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we.prefix("jshell> Probably<Immutator<Integer,Integer>> noIncr = Probably.none();");
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we.prefix("jshell> Probably<Immutator<Integer,String>> noLength = Probably.none();");
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we.expect("Probably.just(17).<Integer>apply(justIncr)",
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Probably.just(17).apply(justIncr).toString(),
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"<18>");
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we.expect("Probably.<Integer>none().<Integer>apply(justIncr)",
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Probably.<Integer>none().apply(justIncr).toString(),
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"<>");
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we.expect("Probably.just(17).<Integer>apply(noIncr)",
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Probably.just(17).apply(noIncr).toString(),
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"<>");
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we.expect("Probably.<Integer>none().<Integer>apply(noIncr)",
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Probably.<Integer>none().apply(noIncr).toString(),
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"<>");
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we.expect("Probably.just(\"string\").<Integer>apply(justLength)",
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Probably.just("string").apply(justLength).toString(),
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"<6>");
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we.expect("Probably.<String>none().<Integer>apply(justLength)",
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Probably.<String>none().apply(justLength).toString(),
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"<>");
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we.expect("Probably.just(\"string\").<Integer>apply(noLength)",
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Probably.just("string").apply(noLength).toString(),
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"<>");
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we.expect("Probably.<String>none().<Integer>apply(noLength)",
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Probably.<String>none().apply(noLength).toString(),
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"<>");
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we.showStat();
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we.print();
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}
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} |