Files
openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlightingPatternsInSwitch/PatternsInSwitchIn21Java.java
Bas Leijdekkers a1481db89d Java: report primitive patterns in switch after case null branch correctly (IDEA-374619)
(cherry picked from commit 3afe71cd1d81188830b1cc332689f42c33e8da8b)


(cherry picked from commit d82959372171236d6d5f36dce4da5e615a3c4790)

IJ-MR-169535

GitOrigin-RevId: 07628789dd9e46eac39c3811ca4534b83777f19f
2025-08-04 12:58:49 +00:00

134 lines
5.1 KiB
Java

class X {
int switchTest1(Object obj) {
return switch (obj) {
case Integer i -> 3;
case default -> 4;
case null -> 10;
case <error descr="Cannot resolve symbol 'Point'">Point</error>() -> 5;
case <error descr="Cannot resolve symbol 'Point'">Point</error>(double x, double y) -> 6;
case <error descr="Cannot resolve symbol 'Point'">Point</error>() <error descr="Identifier is not allowed here">point</error> -> 7;
case <error descr="Cannot resolve symbol 'Point'">Point</error>(double x, double y) <error descr="Identifier is not allowed here">point</error> -> 8;
};
}
int switchTest2(int i) {
return switch (i) {
case <error descr="Primitive types in patterns, instanceof and switch are not supported at language level '21'">Integer integer</error> -> "int";
case <error descr="Primitive types in patterns, instanceof and switch are not supported at language level '21'">Object obj</error> -> "Object";
default -> "not ok";
};
}
int switchTest2_2(Integer i) {
return switch (i) {
case <error descr="Primitive types in patterns, instanceof and switch are not supported at language level '21'">int integer</error> -> "int";
case Object obj -> "Object";
default -> "not ok";
};
}
boolean method(Long l) {
return switch (l) {
case null -> false;
case <error descr="Primitive types in patterns, instanceof and switch are not supported at language level '21'">long ll</error> when (ll & 1) > 0 -> true;
default -> false;
};
}
boolean method(int l) {
return switch (l) {
case <error descr="'null' cannot be converted to 'int'">null</error> -> false;
case <error descr="Primitive types in patterns, instanceof and switch are not supported at language level '21'">long ll</error> when (ll & 1) > 0 -> true;
default -> false;
};
}
void switchTest3(<error descr="Cannot resolve symbol 'Point'">Point</error><? extends String> point1, <error descr="Cannot resolve symbol 'Point'">Point</error><? super String> point2) {
switch (point1) {
case <error descr="Cannot resolve symbol 'Point'">Point</error><?>() -> {}
}
switch (point1) {
case <error descr="Cannot resolve symbol 'Point'">Point</error><?>() <error descr="Identifier is not allowed here">point</error> -> {}
}
switch (point1) {
case <error descr="Cannot resolve symbol 'Point'">Point</error><? extends String>() -> {}
}
switch (point1) {
case <error descr="Cannot resolve symbol 'Point'">Point</error><? extends String>() <error descr="Identifier is not allowed here">point</error> -> {}
}
switch (point2) {
case <error descr="Cannot resolve symbol 'Point'">Point</error><? super String>() -> {}
}
switch (point2) {
case <error descr="Cannot resolve symbol 'Point'">Point</error><? super String>() <error descr="Identifier is not allowed here">point</error> -> {}
}
}
int instanceofTest(Object obj) {
if (obj instanceof<error descr="')' expected"><error descr="Type expected"> </error></error>(Integer<error descr="')' expected"> </error><error descr="Cannot resolve symbol 'i'">i</error> && predicate()<error descr="Unexpected token">)</error><error descr="Unexpected token">)</error> {
return 1;
}
if (obj instanceof<error descr="')' expected"><error descr="Type expected"> </error></error>(String<error descr="')' expected"> </error><error descr="Cannot resolve symbol 's'">s</error><error descr="Unexpected token">)</error><error descr="Unexpected token">)</error> {
return 3;
}
return 2;
}
void unconditionalGuardAndDefault(Object obj) {
switch (obj) {
case <error descr="'switch' has both an unconditional pattern and a default label">Object o</error> when true -> {}
<error descr="'switch' has both an unconditional pattern and a default label">default</error> -> {}
}
}
void dd6(String str) {
switch (str) {
case String i when i.length() == 2 -> System.out.println(2);
case String i -> System.out.println(2);
}
}
void dd7(String str) {
switch (str) {
case String i -> System.out.println(2);
case <error descr="Label is dominated by a preceding case label 'String i'">String i</error> when i.length() == 2 -> System.out.println(2);
}
}
int testC(String str) {
switch (str) {
case String s when s.isEmpty()==true: return 1;
case "": return -1;
default: return 0;
}
}
int testC2(String str) {
switch (str) {
case String s: return 1;
case <error descr="Label is dominated by a preceding case label 'String s'">""</error>: return -1;
}
}
native static boolean predicate();
sealed interface I1 {}
sealed interface I2 {}
record R1() implements I1 {}
record R2() implements I2 {}
record R3() implements I1, I2 {};
public class Test22{
public <T extends I1 & I2> void test(T c) {
switch (c) {
case <error descr="Incompatible types. Found: 'X.R2', required: 'T'">R2 r1</error> -> System.out.println(5);
case R3 r1 -> System.out.println(1);
}
}
}
}