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java highlighting: provide better incompatible types message on failed inference

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GitOrigin-RevId: 5f97ec808f753d9ca40c417704ec93a802512745
This commit is contained in:
Anna Kozlova
2019-07-08 12:04:21 +03:00
committed by intellij-monorepo-bot
parent 6a7856d5c6
commit afa0706bfc
28 changed files with 87 additions and 101 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/ReturnValue.java
+1 -5
View File
@@ -37,11 +37,7 @@ class Test1 {
if (s.equals("1")) {
return Option.option(1);
} else {
return <error descr="Incompatible types. Required Option<Integer> but 'option' was inferred to Option<T>:
no instance(s) of type variable(s) exist so that String conforms to Integer
inference variable T has incompatible bounds:
equality constraints: Integer
lower bounds: String">Option.option("2");</error>
return <error descr="Incompatible types. Found: 'Test1.Option<java.lang.String>', required: 'Test1.Option<java.lang.Integer>'">Option.option("2");</error>
}
};
}
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/TypeArgsConsistency.java
+2 -8
View File
@@ -12,10 +12,7 @@ class TypeArgsConsistency {
I<Integer> i1 = (i, j) -> i + j;
foo((i, j) -> i + j);
I<Integer> i2 = bar((i, j) -> i + j);
I<Integer> i3 = bar(<error descr="no instance(s) of type variable(s) exist so that String conforms to Integer
inference variable X has incompatible bounds:
equality constraints: Integer
lower bounds: String">(i, j) -> "" + i + j</error>);
I<Integer> i3 = bar(<error descr="Incompatible types. Found: 'TypeArgsConsistency.I<java.lang.Object>', required: 'TypeArgsConsistency.I<java.lang.Integer>'">(i, j) -> "" + i + j</error>);
}
}
@@ -46,10 +43,7 @@ class TypeArgsConsistency2 {
I<Integer> i1 = bar(x -> x);
I1<Integer> i2 = bar1(x -> 1);
I2<String> aI2 = bar2(x -> "");
I2<Integer> aI28 = bar2( <error descr="no instance(s) of type variable(s) exist so that String conforms to Integer
inference variable T has incompatible bounds:
equality constraints: Integer
lower bounds: String">x-> ""</error>);
I2<Integer> aI28 = bar2( <error descr="Incompatible types. Found: 'TypeArgsConsistency2.I2<java.lang.Object>', required: 'TypeArgsConsistency2.I2<java.lang.Integer>'">x-> ""</error>);
I2<Integer> i3 = bar2(x -> x);
I2<Integer> i4 = bar2(x -> foooI());
System.out.println(i4.foo(2));