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lambda: effectively final

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This commit is contained in:
anna
2012-07-20 11:04:24 +02:00
parent 0e0dc81924
commit 2d80237442
3 changed files with 79 additions and 7 deletions
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50
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/EffectiveFinal.java
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@@ -1,6 +1,9 @@
interface I {
int m(int i);
}
interface J {
int m();
}
public class XXX {
@@ -19,4 +22,51 @@ public class XXX {
final int L = 0;
I i = (int h) -> { int k = 0; return h + k + <error descr="Variable used in lambda expression should be effectively final">j</error> + l + L; };
}
void foo(J i) { }
void m1(int x) {
int y = 1;
foo(() -> x+y);
}
void m2(int x) {
int y;
y = 1;
foo(() -> x+y);
}
void m3(int x, boolean cond) {
int y;
if (cond) y = 1;
foo(() -> x+<error descr="Variable used in lambda expression should be effectively final">y</error>);
}
void m4(int x, boolean cond) {
int y;
if (cond) y = 1;
else y = 2;
foo(() -> x+y);
}
void m5(int x, boolean cond) {
int y;
if (cond) y = 1;
y = 2;
foo(() -> x+<error descr="Variable used in lambda expression should be effectively final">y</error>);
}
void m6(int x) {
foo(() -> <error descr="Variable used in lambda expression should be effectively final">x</error>+1);
x++;
}
void m7(int x) {
foo(() -> <error descr="Variable used in lambda expression should be effectively final">x</error>=1);
}
void m8() {
int y;
foo(() -> <error descr="Variable used in lambda expression should be effectively final">y</error>=1);
}
}