Tue, 21 May 2013 13:50:56 +0100
8005207: test has 2 @bug tags
Reviewed-by: mcimadamore
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
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24 */
26 /**
27 * @test
28 * @bug 8003639
29 * @summary convert lambda testng tests to jtreg and add them
30 * @run testng LambdaTranslationTest1
31 */
33 import org.testng.annotations.Test;
35 import static org.testng.Assert.assertEquals;
37 @Test
38 public class LambdaTranslationTest1 extends LT1Sub {
40 String cntxt = "blah";
42 private static final ThreadLocal<Object> result = new ThreadLocal<>();
44 private static void setResult(Object s) { result.set(s); }
45 private static void appendResult(Object s) { result.set(result.get().toString() + s); }
47 private static void assertResult(String expected) {
48 assertEquals(result.get().toString(), expected);
49 }
51 static Integer count(String s) {
52 return s.length();
53 }
55 static int icount(String s) {
56 return s.length();
57 }
59 static void eye(Integer i) {
60 setResult(String.format("I:%d", i));
61 }
63 static void ieye(int i) {
64 setResult(String.format("i:%d", i));
65 }
67 static void deye(double d) {
68 setResult(String.format("d:%f", d));
69 }
71 public void testLambdas() {
72 TBlock<Object> b = t -> {setResult("Sink0::" + t);};
73 b.apply("Howdy");
74 assertResult("Sink0::Howdy");
76 TBlock<String> b1 = t -> {setResult("Sink1::" + t);};
77 b1.apply("Rowdy");
78 assertResult("Sink1::Rowdy");
80 for (int i = 5; i < 10; ++i) {
81 TBlock<Integer> b2 = t -> {setResult("Sink2::" + t);};
82 b2.apply(i);
83 assertResult("Sink2::" + i);
84 }
86 TBlock<Integer> b3 = t -> {setResult("Sink3::" + t);};
87 for (int i = 900; i > 0; i -= 100) {
88 b3.apply(i);
89 assertResult("Sink3::" + i);
90 }
92 cntxt = "blah";
93 TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};
94 b4.apply("Yor");
95 assertResult("b4: blah .. Yor");
97 String flaw = "flaw";
98 TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};
99 b5.apply("BB");
100 assertResult("b5: flaw .. BB");
102 cntxt = "flew";
103 TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};
104 b6.apply("flee");
105 assertResult("b6: flee .. flew .. flaw");
107 TBlock<String> b7 = t -> {setResult(String.format("b7: %s %s", t, this.protectedSuperclassMethod()));};
108 b7.apply("this:");
109 assertResult("b7: this: instance:flew");
111 TBlock<String> b8 = t -> {setResult(String.format("b8: %s %s", t, super.protectedSuperclassMethod()));};
112 b8.apply("super:");
113 assertResult("b8: super: I'm the sub");
115 TBlock<String> b7b = t -> {setResult(String.format("b9: %s %s", t, protectedSuperclassMethod()));};
116 b7b.apply("implicit this:");
117 assertResult("b9: implicit this: instance:flew");
119 TBlock<Object> b10 = t -> {setResult(String.format("b10: new LT1Thing: %s", (new LT1Thing(t)).str));};
120 b10.apply("thing");
121 assertResult("b10: new LT1Thing: thing");
123 TBlock<Object> b11 = t -> {setResult(String.format("b11: %s", (new LT1Thing(t) {
124 String get() {
125 return "*" + str.toString() + "*";
126 }
127 }).get()));};
128 b11.apply(999);
129 assertResult("b11: *999*");
130 }
132 public void testMethodRefs() {
133 LT1IA ia = LambdaTranslationTest1::eye;
134 ia.doit(1234);
135 assertResult("I:1234");
137 LT1IIA iia = LambdaTranslationTest1::ieye;
138 iia.doit(1234);
139 assertResult("i:1234");
141 LT1IA da = LambdaTranslationTest1::deye;
142 da.doit(1234);
143 assertResult("d:1234.000000");
145 LT1SA a = LambdaTranslationTest1::count;
146 assertEquals((Integer) 5, a.doit("howdy"));
148 a = LambdaTranslationTest1::icount;
149 assertEquals((Integer) 6, a.doit("shower"));
150 }
152 public void testInner() throws Exception {
153 (new In()).doInner();
154 }
156 protected String protectedSuperclassMethod() {
157 return "instance:" + cntxt;
158 }
160 private class In {
162 private int that = 1234;
164 void doInner() {
165 TBlock<String> i4 = t -> {setResult(String.format("i4: %d .. %s", that, t));};
166 i4.apply("=1234");
167 assertResult("i4: 1234 .. =1234");
169 TBlock<String> i5 = t -> {setResult(""); appendResult(t); appendResult(t);};
170 i5.apply("fruit");
171 assertResult("fruitfruit");
173 cntxt = "human";
174 TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};
175 b4.apply("bin");
176 assertResult("b4: human .. bin");
178 final String flaw = "flaw";
180 /**
181 Callable<String> c5 = () -> "["+flaw+"]" ;
182 System.out.printf("c5: %s\n", c5.call() );
183 **/
185 TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};
186 b5.apply("BB");
187 assertResult("b5: flaw .. BB");
189 cntxt = "borg";
190 TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};
191 b6.apply("flee");
192 assertResult("b6: flee .. borg .. flaw");
194 TBlock<String> b7b = t -> {setResult(String.format("b7b: %s %s", t, protectedSuperclassMethod()));};
195 b7b.apply("implicit outer this");
196 assertResult("b7b: implicit outer this instance:borg");
198 /**
199 TBlock<Object> b9 = t -> { System.out.printf("New: %s\n", (new LT1Thing(t)).str); };
200 b9.apply("thing");
202 TBlock<Object> ba = t -> { System.out.printf("Def: %s\n", (new LT1Thing(t) { String get() { return "*" + str.toString() +"*";}}).get() ); };
203 ba.apply(999);
205 */
206 }
207 }
208 }
210 class LT1Sub {
211 protected String protectedSuperclassMethod() {
212 return "I'm the sub";
213 }
214 }
216 class LT1Thing {
217 final Object str;
219 LT1Thing(Object s) {
220 str = s;
221 }
222 }
224 interface LT1SA {
225 Integer doit(String s);
226 }
228 interface LT1IA {
229 void doit(int i);
230 }
232 interface LT1IIA {
233 void doit(Integer i);
234 }