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*/
/* * @test * @bug 8262891 8290709 * @summary Check the pattern domination error are reported correctly. * @enablePreview * @compile/fail/ref=Domination.out -XDrawDiagnostics Domination.java
*/ publicclass Domination { int testDominatesError1(Object o) { switch (o) { case CharSequence cs: return 0; case String s: return 1; case Object x: return -1;
}
}
int testDominatesError2(Object o) { switch (o) { case CharSequence cs: return 0; case String s when s.isEmpty(): return 1; case Object x: return -1;
}
}
int testDominatesError3(Object o) { switch (o) { case CharSequence cs when true: return 0; case String s when s.isEmpty(): return 1; case Object x: return -1;
}
}
int testNotDominates1(Object o) { switch (o) { case CharSequence cs when cs.length() == 0: return 0; case String s: return 1; case Object x: return -1;
}
}
int testDominatesStringConstant(String str) { switch (str) { case String s: return 1; case"": return -1;
}
}
int testDominatesStringConstant2(String str) { switch (str) { case String s when s.isEmpty(): return 1; case"": return -1;
}
}
int testDominatesStringConstant3(String str) { switch (str) { case String s when !s.isEmpty(): return 1; case"": return -1;
}
}
int testDominatesIntegerConstant(Integer i) { switch (i) { case Integer j: return 1; case 0: return -1;
}
}
int testDominatesIntegerConstant2(Integer i) { switch (i) { case Integer j when j == 0: return 1; case 0: return -1;
}
}
int testDominatesIntegerConstant3(Integer i) { switch (i) { case Integer j when j == 1: return 1; case 0: return -1;
}
}
int testDominatesEnumConstant() { enum E {
A, B;
}
E e = E.A; switch (e) { case E d: return 1; case A: return -1;
}
}
int testDominatesEnumConstant2() { enum E {
A, B;
}
E e = E.A; switch (e) { case E d when d == E.A: return 1; case A: return -1;
}
}
int testDominatesEnumConstant3() { enum E {
A, B;
}
E e = E.A; switch (e) { case E d when d == E.B: return 1; case A: return -1;
}
}
int testRecordPatternsDominated1() {
record R(int a) {}
Object o = null; switch (o) { case R r: return 1; case R(int a): return -1;
}
}
int testRecordPatternsDominated2() {
record R(int a) {}
Object o = null; switch (o) { case R(int a): return 1; case R(int a): return -1;
}
}
int testRecordPatternsDominated3() {
record R(int a) {}
Object o = null; switch (o) { case R r when guard(): return 1; case R(int a): return -1;
}
}
int testRecordPatternsDominated4() {
record R(int a) {}
Object o = null; switch (o) { case R(int a) when guard(): return 1; case R(int a): return -1;
}
}
boolean guard() { returnfalse;
}
int testRecordPatternsDominated5() {
record R(int a) {}
Object o = null; switch (o) { case ((R r)): return 1; case ((R(int a))): return -1;
}
}
int testRecordPatternsDominated6() {
record R(int a) {}
Object o = null; switch (o) { case ((R(int a))): return 1; case ((R(int a))): return -1;
}
}
int testRecordPatternsDominated7() {
record R(int a) {}
Object o = null; switch (o) { case R r when true: return 1; case R(int a): return -1;
}
}
int testRecordPatternsDominated8() {
record R(int a) {}
Object o = null; switch (o) { case R(int a) when true: return 1; case R(int a): return -1;
}
}
int testNotDominates2(Integer x) { switch (x) { case Integer i: return i; casenull : return -1;
}
}
}
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