Added any collection test

Author: Kamenev Yury

utbot-framework/src/test/kotlin/org/utbot/examples/lambda/SimpleLambdaExamplesTest.kt

@@ -3,7 +3,6 @@ package org.utbot.examples.lambda
 import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 import org.utbot.examples.AbstractTestCaseGeneratorTest
-import org.utbot.examples.DoNotCalculate
 import org.utbot.examples.eq
 import org.utbot.examples.isException
 
@@ -13,7 +12,7 @@ class SimpleLambdaExamplesTest : AbstractTestCaseGeneratorTest(testClass = Simpl
         checkWithException(
             SimpleLambdaExamples::biFunctionLambdaExample,
             eq(2),
-            { a, b, r -> b == 0 && r.isException<ArithmeticException>() },
+            { _, b, r -> b == 0 && r.isException<ArithmeticException>() },
             { a, b, r -> b != 0 && r.getOrThrow() == a / b },
         )
     }
@@ -29,4 +28,4 @@ class SimpleLambdaExamplesTest : AbstractTestCaseGeneratorTest(testClass = Simpl
             // TODO coverage calculation fails https://github.com/UnitTestBot/UTBotJava/issues/192
         )
     }
-}
+}

utbot-framework/src/test/kotlin/org/utbot/examples/stream/BaseStreamExampleTest.kt

@@ -341,6 +341,17 @@ class BaseStreamExampleTest : AbstractTestCaseGeneratorTest(
         )
     }
 
+    @Test
+    fun testAnyCollectionStreamExample() {
+        check(
+            BaseStreamExample::anyCollectionStreamExample,
+            ignoreExecutionsNumber,
+            { c, r -> c.isEmpty() && r == 0L },
+            { c, r -> c.isNotEmpty() && c.size.toLong() == r },
+            coverage = FullWithAssumptions(assumeCallsNumber = 1)
+        )
+    }
+
     @Test
     fun testGenerateExample() {
         check(

utbot-sample/src/main/java/org/utbot/examples/stream/BaseStreamExample.java

@@ -423,6 +423,16 @@ long customCollectionStreamExample(CustomCollection<Integer> customCollection) {
         }
     }
 
+    long anyCollectionStreamExample(Collection<Integer> c) {
+        UtMock.assume(c != null);
+
+        if (c.isEmpty()) {
+            return c.stream().count();
+        } else {
+            return c.stream().count();
+        }
+    }
+
     Integer[] generateExample() {
         return Stream.generate(() -> 42).limit(10).toArray(Integer[]::new);
     }