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IDEA-106884 Detect that string concatenation produces not-null result

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peter
2013-05-22 18:09:00 +02:00
parent ca9680c16c
commit 1d19b2d96f
3 changed files with 21 additions and 0 deletions
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java/java-tests/testData/inspection/dataFlow/fixture/StringConcatAlwaysNotNull.java
+15
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@@ -0,0 +1,15 @@
import org.jetbrains.annotations.NotNull;
class X {
@NotNull
String foo() {return "";}
void bar() {
String o = foo();
o += "";
if (<warning descr="Condition 'o != null' is always 'true'">o != null</warning>) {
}
}
}