The JoinAssertThatStatements inspection will now add line breaks on joining statements.

Unrelated: Upgraded Gradle to 5.4.1. Upgraded kotlin to 1.3.40. Upgraded jacoco to 0.8.4. Minor style change for immediate returns. Increased test/branch coverage.

src/test/resources/inspections/JoinStatements/JoinStatementsAfter.java

@@ -1,6 +1,7 @@
 import java.util.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
 
 public class JoinStatements {
 
@@ -24,21 +25,28 @@ public class JoinStatements {
                 .doesNotContain("foobar");
 
         assertThat("narf").isNotEqualTo("puit");
-        assertThat(list).as("bar").contains("barbar").as("foo").hasSize(2);
+        assertThat(list).as("bar").contains("barbar")
+                .as("foo").hasSize(2);
         assertThat(list).as("evil").extracting(String::length).contains(2);
 
         assertThat(list).as("bar").contains("barbar");
         assertThat(otherList).contains("puit");
         assertThat(list).as("foo").hasSize(2);
         if (true) {
-            assertThat(list).doesNotContain("narf").as("bar").contains("barbar");
+            assertThat(list).doesNotContain("narf")
+                    .as("bar").contains("barbar");
         }
-        assertThat(list.get(0)).isNotEmpty().hasSize(3).isEqualTo("bar");
+        assertThat(list.get(0)).isNotEmpty()
+                .hasSize(3)
+                .isEqualTo("bar");
 
         assertThat(otherList.get(0)).isNotEmpty();
         assertThat(list.get(0)).hasSize(3);
 
-        assertThat(list.get(0) + "foo").isEqualTo("bar").doesNotStartWith("foo");
+        assertThat(list.get(0) + "foo").isNotNull()
+                // hey, a comment mixed with line breaks due to too many joins
+                .isEqualTo("bar")
+                .doesNotStartWith("foo");
 
         assertThat(otherList.get(0) + "foo").isEqualTo("bar");
         assertThat(list.get(0) + "foo").doesNotStartWith("foo");
@@ -57,5 +65,8 @@ public class JoinStatements {
         assertThat(list.get(i++).toLowerCase()).isEqualTo("foo");
         assertThat(list.get(--i)).isEqualTo("foo");
         assertThat(list.get(--i)).isEqualTo("foo");
+
+        org.junit.Assert.assertThat(foo, null);
+        fail("oh no!");
     }
 }

src/test/resources/inspections/JoinStatements/JoinStatementsBefore.java

@@ -1,6 +1,7 @@
 import java.util.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
 
 public class JoinStatements {
 
@@ -39,6 +40,8 @@ public class JoinStatements {
         assertThat(otherList.get(0)).isNotEmpty();
         assertThat(list.get(0)).hasSize(3);
 
+        assertThat(list.get(0) + "foo").isNotNull();
+        // hey, a comment mixed with line breaks due to too many joins
         assertThat(list.get(0) + "foo").isEqualTo("bar");
         assertThat(list.get(0) + "foo").doesNotStartWith("foo");
 
@@ -59,5 +62,8 @@ public class JoinStatements {
         assertThat(list.get(i++).toLowerCase()).isEqualTo("foo");
         assertThat(list.get(--i)).isEqualTo("foo");
         assertThat(list.get(--i)).isEqualTo("foo");
+
+        org.junit.Assert.assertThat(foo, null);
+        fail("oh no!");
     }
 }