[API] Tweak ImString tests

imgui-binding/src/test/java/imgui/ImStringTest.java

@@ -1,38 +1,53 @@
 package imgui;
 
 import imgui.type.ImString;
+import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class ImStringTest {
+    @Nested
+    class constructor {
         @Test
-    public void testCreation() {
+        void withLength() {
-        ImString str = new ImString(10);
+            final ImString str = new ImString(10);
             assertEquals("", str.get());
             assertEquals(0, str.getLength(), "String length should be 0, since no data was provided");
             assertEquals(10 + 1, str.getBufferSize(), "Buffer size must be 'length + 1', +1 - size of the ImGui caret");
+        }
 
-        str = new ImString("test");
+        @Test
+        void withString() {
+            final ImString str = new ImString("test");
             assertEquals("test", str.get());
             assertEquals(4, str.getLength());
             assertEquals(4 + 1, str.getBufferSize());
+        }
 
-        str = new ImString("test", 10);
+        @Test
+        void withStringAndLength() {
+            final ImString str = new ImString("test", 10);
             assertEquals("test", str.get());
             assertEquals(4, str.getLength());
             assertEquals(10 + 1, str.getBufferSize());
         }
+    }
 
+    @Nested
+    class get {
         @Test
-    public void testGet() {
+        void simple() {
             final ImString str = new ImString("test");
             assertEquals("test", str.get());
             assertEquals(str.get(), str.toString(), "ImString#toString() must return value which should be equal to ImString#get()");
         }
+    }
 
+    @Nested
+    class set {
         @Test
-    public void testSetWhenEmpty() {
+        void withEmpty() {
             final ImString str = new ImString(3);
             assertEquals("", str.get());
             assertEquals(0, str.getLength());
@@ -40,7 +55,7 @@ class ImStringTest {
         }
 
         @Test
-    public void testSetWhenNotResized() {
+        void withNotResized() {
             final ImString str = new ImString(3);
             str.set("test");
             assertEquals("tes", str.get());
@@ -49,7 +64,7 @@ class ImStringTest {
         }
 
         @Test
-    public void testSetWhenResizedWithZeroResizeValue() {
+        void withResizedWithZeroResizeValue() {
             final ImString str = new ImString(3);
             str.set("test", true, 0);
             assertEquals("test", str.get());
@@ -58,7 +73,7 @@ class ImStringTest {
         }
 
         @Test
-    public void testSetWhenResized() {
+        void withResized() {
             final ImString str = new ImString(3);
             str.set("0123456789", true);
             assertEquals("0123456789", str.get());
@@ -67,7 +82,7 @@ class ImStringTest {
         }
 
         @Test
-    public void testSetWhenNullObject() {
+        void withNullObject() {
             final ImString str = new ImString();
             final Object object = null;
             str.set(object);
@@ -75,7 +90,7 @@ class ImStringTest {
         }
 
         @Test
-    public void testSetWhenImString() {
+        void withImString() {
             final ImString str = new ImString();
             final ImString string = new ImString("test");
             str.set(string);
@@ -83,9 +98,10 @@ class ImStringTest {
         }
 
         @Test
-    public void testSetWhenNumber() {
+        void withNumber() {
             final ImString str = new ImString();
             str.set(123);
             assertEquals("123", str.get());
         }
+    }
 }

imgui-binding/src/test/java/imgui/ImVec2Test.java

@@ -3,7 +3,7 @@ package imgui;
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class ImVec2Test {
     @Nested

imgui-binding/src/test/java/imgui/ImVec4Test.java

@@ -3,7 +3,7 @@ package imgui;
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class ImVec4Test {
     @Nested