Migrate boxWithJava tests to multi-file framework

compiler/testData/codegen/boxWithJava/secondaryConstructors/withGenerics.kt

@@ -1,3 +1,19 @@
+// FILE: WithGenerics.java
+
+class WithGenerics {
+    public static String foo1() {
+        A<Double> x = new A<Double>("OK");
+        return x.toString();
+    }
+
+    public static String foo2() {
+        A<Integer> x = new A<Integer>(123);
+        return x.toString();
+    }
+}
+
+// FILE: WithGenerics.kt
+
 open class A<T> {
     val prop: String
     constructor(x: String) {

compiler/testData/codegen/boxWithJava/secondaryConstructors/withGenerics/WithGenerics.java

@@ -1,11 +0,0 @@
-class WithGenerics {
-    public static String foo1() {
-        A<Double> x = new A<Double>("OK");
-        return x.toString();
-    }
-
-    public static String foo2() {
-        A<Integer> x = new A<Integer>(123);
-        return x.toString();
-    }
-}

compiler/testData/codegen/boxWithJava/secondaryConstructors/withPrimary.kt

@@ -1,3 +1,22 @@
+// FILE: WithPrimary.java
+
+class WithPrimary {
+    public static A test1() {
+        return new A("123", "abc");
+    }
+    public static A test2() {
+        return new A();
+    }
+    public static A test3() {
+        return new A("123", 456);
+    }
+    public static A test4() {
+        return new A(1.0);
+    }
+}
+
+// FILE: WithPrimary.kt
+
 class A(val x: String = "def_x", val y: String = "1") {
     constructor(x: String, y: Int): this(x, y.toString()) {}
     constructor(x: Double): this(x.toString(), "def_y") {}

compiler/testData/codegen/boxWithJava/secondaryConstructors/withPrimary/WithPrimary.java

@@ -1,14 +0,0 @@
-class WithPrimary {
-    public static A test1() {
-        return new A("123", "abc");
-    }
-    public static A test2() {
-        return new A();
-    }
-    public static A test3() {
-        return new A("123", 456);
-    }
-    public static A test4() {
-        return new A(1.0);
-    }
-}

compiler/testData/codegen/boxWithJava/secondaryConstructors/withVarargs.kt

@@ -1,3 +1,13 @@
+// FILE: WithVarargs.java
+
+public class WithVarargs {
+    public static String foo() {
+        return new A("1", "2", "3").getProp();
+    }
+}
+
+// FILE: withVarargs.kt
+
 fun join(x: Array<out String>): String {
     var result = ""
     for (i in x) {

compiler/testData/codegen/boxWithJava/secondaryConstructors/withVarargs/WithVarargs.java

@@ -1,5 +0,0 @@
-public class WithVarargs {
-    public static String foo() {
-        return new A("1", "2", "3").getProp();
-    }
-}

compiler/testData/codegen/boxWithJava/secondaryConstructors/withoutPrimary.kt

@@ -1,3 +1,19 @@
+// FILE: WithoutPrimary.java
+
+class WithoutPrimary {
+    public static A test1() {
+        return new A("123", "abc");
+    }
+    public static A test3() {
+        return new A("123", 456);
+    }
+    public static A test4() {
+        return new A(1.0);
+    }
+}
+
+// FILE: WithoutPrimary.kt
+
 class A {
     val x: String 
     val y: String

compiler/testData/codegen/boxWithJava/secondaryConstructors/withoutPrimary/WithoutPrimary.java

@@ -1,11 +0,0 @@
-class WithoutPrimary {
-    public static A test1() {
-        return new A("123", "abc");
-    }
-    public static A test3() {
-        return new A("123", 456);
-    }
-    public static A test4() {
-        return new A(1.0);
-    }
-}