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a test that lambdas in constructor calls are found

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peter
2016-07-21 12:16:42 +02:00
parent 0a4f995460
commit 1c451db9ad
2 changed files with 44 additions and 13 deletions
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java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/FindFunctionalInterfaceTest.java
+35 -13
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@@ -50,9 +50,7 @@ public class FindFunctionalInterfaceTest extends LightCodeInsightFixtureTestCase
myFixture.addClass("public class A {" +
" public I r;" +
"}");
for (int i = 0; i < JavaFunctionalExpressionSearcher.SMART_SEARCH_THRESHOLD + 1; i++) {
myFixture.addClass("class B" + i + " { {Runnable r = () -> {};}}"); //ensure common case is used
}
addManyLambdas();
doTestOneExpression();
}
@@ -63,19 +61,14 @@ public class FindFunctionalInterfaceTest extends LightCodeInsightFixtureTestCase
" <T> void foo(T... r) {}\n" +
" void bar(J i){foo(i, i, () -> {});}\n" +
"}");
for (int i = 0; i < JavaFunctionalExpressionSearcher.SMART_SEARCH_THRESHOLD + 1; i++) {
myFixture.addClass("class B" + i + " { {Runnable r = () -> {};}}"); //ensure common case is used
}
addManyLambdas();
doTestOneExpression();
}
private void doTestOneExpression() {
myFixture.configureByFile(getTestName(false) + ".java");
final PsiElement elementAtCaret = myFixture.getElementAtCaret();
assertNotNull(elementAtCaret);
final PsiClass psiClass = PsiTreeUtil.getParentOfType(elementAtCaret, PsiClass.class, false);
assertTrue(psiClass != null && psiClass.isInterface());
final PsiClass psiClass = findClassAtCaret();
final Collection<PsiFunctionalExpression> expressions = FunctionalExpressionSearch.search(psiClass).findAll();
int size = expressions.size();
assertEquals(1, size);
@@ -84,6 +77,15 @@ public class FindFunctionalInterfaceTest extends LightCodeInsightFixtureTestCase
assertEquals("() -> {}", next.getText());
}
@NotNull
private PsiClass findClassAtCaret() {
final PsiElement elementAtCaret = myFixture.getElementAtCaret();
assertNotNull(elementAtCaret);
final PsiClass psiClass = PsiTreeUtil.getParentOfType(elementAtCaret, PsiClass.class, false);
assertTrue(psiClass != null && psiClass.isInterface());
return psiClass;
}
public void testFieldFromAnonymousClassScope() throws Exception {
myFixture.configureByFile(getTestName(false) + ".java");
final PsiElement elementAtCaret = myFixture.getElementAtCaret();
@@ -108,9 +110,7 @@ public class FindFunctionalInterfaceTest extends LightCodeInsightFixtureTestCase
public void doTestIndexSearch(String expected) {
myFixture.configureByFile(getTestName(false) + ".java");
for (int i = 0; i < JavaFunctionalExpressionSearcher.SMART_SEARCH_THRESHOLD + 5; i++) {
myFixture.addFileToProject("a" + i + ".java", "class Goo {{ Runnable r = () -> {} }}");
}
addManyLambdas();
PsiClass predicate = JavaPsiFacade.getInstance(getProject()).findClass(Predicate.class.getName(), GlobalSearchScope.allScope(getProject()));
assert predicate != null;
@@ -118,6 +118,28 @@ public class FindFunctionalInterfaceTest extends LightCodeInsightFixtureTestCase
assertEquals(expected, next.getText());
}
public void testConstructorReferences() {
myFixture.configureByFile(getTestName(false) + ".java");
myFixture.addClass("class Bar extends Foo {\n" +
" public Bar() { super(() -> 1); }\n" +
"\n" +
" {\n" +
" new Foo(() -> 2) { };\n" +
" new Foo(() -> 3);\n" +
" }\n" +
"}");
addManyLambdas();
assertSize(4, FunctionalExpressionSearch.search(findClassAtCaret()).findAll());
}
private void addManyLambdas() {
for (int i = 0; i < JavaFunctionalExpressionSearcher.SMART_SEARCH_THRESHOLD + 5; i++) {
myFixture.addFileToProject("a" + i + ".java", "class Goo {{ Runnable r = () -> {} }}");
}
}
@Override
protected String getBasePath() {
return JavaTestUtil.getRelativeJavaTestDataPath() + "/codeInsight/daemonCodeAnalyzer/lambda/findUsages/";