57 lines
2.1 KiB
Java
57 lines
2.1 KiB
Java
class Test3 {
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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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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(" ...> }");
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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(" ...> }");
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we.expect("new Incr().invoke(4)",
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new Incr().invoke(4).toString(),
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"5");
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we.expect("new Incr().invoke(new Incr().invoke(4))",
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new Incr().invoke(new Incr().invoke(4)).toString(),
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"6");
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we.expect("new Length().invoke(\"string\")",
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new Length().invoke("string").toString(),
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"6");
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we.expect("new Incr().invoke(new Length().invoke(\"string\"))",
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new Incr().invoke(new Length().invoke("string")).toString(),
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"7");
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we.expect("new Improbable<>().invoke(1)",
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new Improbable<Integer>().invoke(1).toString(),
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"<1>");
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we.expect("new Improbable<String>().invoke(null)",
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new Improbable<String>().invoke(null).toString(),
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"<>");
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we.expect("new Improbable<Integer>().invoke(1).transform(new Incr())",
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new Improbable<Integer>().invoke(1).transform(new Incr()).toString(),
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"<2>");
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we.expect("new Improbable<>().invoke(new Improbable<>().invoke(1))",
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new Improbable<>().invoke(new Improbable<Integer>().invoke(1)).toString(),
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"<<1>>");
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we.showStat();
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we.print();
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}
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} |