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[java] skip plain cannot infer diamond error (IDEA-283409); add ambiguous constructor call (IDEA-272115)

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this unifies error messages with method calls and allows more specific tooltips and additional fixes

GitOrigin-RevId: 5ab4340d822bba3d6563da12a16e4c41216a8627
This commit is contained in:
Anna Kozlova
2021-11-26 15:05:23 +01:00
committed by intellij-monorepo-bot
parent 10f7715893
commit e6165048e8
13 changed files with 185 additions and 35 deletions
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2
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/diamond/DiagnosticMessageWhenConstructorIsUnresolved.java
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@@ -1,6 +1,6 @@
class Test {
{
D<String> ds = new D<error descr="Cannot infer arguments (unable to resolve constructor)"><></error>(9);
D<String> ds = new D<><error descr="Cannot resolve constructor 'D(int)'">(9)</error>;
}
}

6
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/diamond/EraseTypeForNewExpressionWithDiamondsIfUncheckedConversionWasPerformedDuringApplicabilityCheck.java
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@@ -1,14 +1,14 @@
class Test {
{
Holder h = null;
Result<String> r1 = new Result<error descr="Cannot infer arguments"><></error>(h);
Result<String> r1 = <error descr="Incompatible types. Found: 'Result<Holder>', required: 'Result<java.lang.String>'">new Result<>(h);</error>
Result<String> r2 = <error descr="Incompatible types. Found: 'Result<Holder>', required: 'Result<java.lang.String>'">Result.create(h);</error>
Holder dataHolder = null;
Result<String> r3 = new Result<error descr="Cannot infer arguments"><></error>(new Holder<>(dataHolder));
Result<String> r3 = <error descr="Incompatible types. Found: 'Result<Holder>', required: 'Result<java.lang.String>'">new Result<>(new Holder<>(dataHolder));</error>
Result<String> r4 = <error descr="Incompatible types. Found: 'Result<Holder>', required: 'Result<java.lang.String>'">Result.create(new Holder<>(dataHolder));</error>
Result<String> r5 = new Result<error descr="Cannot infer arguments"><></error>(Holder.create(dataHolder));
Result<String> r5 = <error descr="Incompatible types. Found: 'Result<Holder>', required: 'Result<java.lang.String>'">new Result<>(Holder.create(dataHolder));</error>
Result<String> r6 = <error descr="Incompatible types. Found: 'Result<Holder>', required: 'Result<java.lang.String>'">Result.create(Holder.create(dataHolder));</error>
}

6
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/diamond/WrongNumberOfArguments.java Normal file
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@@ -0,0 +1,6 @@
class A<R>{
A(R value) {}
public static void main(String[] args) {
A<Integer> a = new A<><error descr="'A(R)' in 'A' cannot be applied to '(java.lang.String, int)'" tooltip="Expected 1 arguments but found 2">("hi", 1)</error>;
}
}

2
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/InferenceFromNotEqualTypeParamsBounds.java
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@@ -29,7 +29,7 @@ public class ConcurrentCollectors {
static <T, K, D, M1 extends Map<K, D>> C<T, M1> groupingBy(F<M1> f,
C<T, D> c,
BiConsumer<M1, T> consumer) {
return new CImpl<error descr="Cannot infer arguments"><></error>(f, consumer, arg(c.getOp()));
return new CImpl<><error descr="'CImpl(ConcurrentCollectors.F<R>, ConcurrentCollectors.BiConsumer<R,T>, ConcurrentCollectors.BiOp<R>)' in 'ConcurrentCollectors.CImpl' cannot be applied to '(ConcurrentCollectors.F<M1>, ConcurrentCollectors.BiConsumer<M1,T>, ConcurrentCollectors.BiOp<ConcurrentCollectors.ConcurrentMap<java.lang.Object,D>>)'">(f, consumer, arg(c.getOp()))</error>;
}
static <K, V, M2 extends ConcurrentMap<K, V>> BiOp<M2> arg(BiOp<V> op) {

48
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/AmbiguousConstructorCallWithLambdaInside.java Normal file
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@@ -0,0 +1,48 @@
import java.util.function.Function;
import java.util.function.Supplier;
class OverloadCast {
public void runMe() {
new <error descr="Cannot resolve constructor 'OverloadCast(<method reference>, <lambda expression>)'">OverloadCast</error>(WhitespaceTokenizer::<error descr="Cannot resolve constructor 'WhitespaceTokenizer'">new</error>, src -> new LowerCaseFilter<error descr="'LowerCaseFilter(OverloadCast.TokenStream)' in 'OverloadCast.LowerCaseFilter' cannot be applied to '(<lambda parameter>)'">(src)</error>);
<error descr="Ambiguous method call: both 'OverloadCast.overloadCast(Supplier<Tokenizer>, Function<TokenStream, TokenFilter>)' and 'OverloadCast.overloadCast(Function<TokenStream, TokenFilter>, Function<String, String>)' match">overloadCast</error>(WhitespaceTokenizer::<error descr="Cannot resolve constructor 'WhitespaceTokenizer'">new</error>, src -> new LowerCaseFilter<error descr="'LowerCaseFilter(OverloadCast.TokenStream)' in 'OverloadCast.LowerCaseFilter' cannot be applied to '(<lambda parameter>)'">(src)</error>);
}
private OverloadCast(Supplier<Tokenizer> tokenizerFactory, Function<TokenStream, TokenFilter> filterCreator) {
}
private OverloadCast(Function<TokenStream, TokenFilter> filterCreator, Function<String, String> readerWrapper) {
}
private void overloadCast(Supplier<Tokenizer> tokenizerFactory, Function<TokenStream, TokenFilter> filterCreator) {
}
private void overloadCast(Function<TokenStream, TokenFilter> filterCreator, Function<String, String> readerWrapper) {
}
private class Tokenizer {
}
private class TokenStream {
}
private class TokenFilter {
}
private class WhitespaceTokenizer extends Tokenizer {
private WhitespaceTokenizer(TokenStream s) {
}
private WhitespaceTokenizer() {
}
}
private class LowerCaseFilter extends TokenFilter {
public LowerCaseFilter(TokenStream src) {
super();
}
private LowerCaseFilter() {
}
}
}