JS backend: add several RegressionMergeEcmaTests

js/js.tests/test/org/jetbrains/k2js/test/semantics/RegressionMergeEcmaTest.java

@@ -60,6 +60,15 @@ public class RegressionMergeEcmaTest extends SingleFileTranslationTest {
         checkFooBoxIsOk();
     }
 
+    public void testIsClassSupport() throws Exception {
+        checkFooBoxIsOk();
+    }
+
+    //TODO
+    public void TestCrazyExtension() throws Exception {
+        checkFooBoxIsOk();
+    }
+
     public void testOverloadFun() throws Exception {
         checkFooBoxIsOk();
     }

js/js.translator/testFiles/mergeEcma/cases/crazyExtension.kt

@@ -0,0 +1,52 @@
+package foo
+
+open class A {
+    open fun f1() = "A1"
+    open fun f2() = "A2"
+    open fun f3() = "A3"
+    open fun f4() = "A4"
+
+    fun getSum(): String {
+        return "${f1()}|${f2()}|${f3()}|${f4()}"
+    }
+}
+
+trait T: A {
+    override fun f1() = "T1"
+    override fun f2() = "T2"
+}
+
+trait B: A {
+    override fun f1() = "B1"
+    override fun f3() = "B3"
+}
+
+trait N: B, T {
+    override fun f1() = "N1"
+}
+
+trait X {
+    fun f4() = "X4"
+}
+
+class C: A(), N, X {
+    override fun f4() = "C4"
+}
+
+fun box(): String {
+    val a = A()
+    val t = object : T, A() {}
+    val b = object : B, A() {}
+    val n = object : N, A() {}
+    val x = object : X {}
+    val c = C()
+
+    if (a.getSum() != "A1|A2|A3|A4") return "Bad a.getSum(), it: ${a.getSum()}"
+    if (t.getSum() != "T1|T2|A3|A4") return "Bad t.getSum(), it: ${t.getSum()}"
+    if (b.getSum() != "B1|A2|B3|A4") return "Bad b.getSum(), it: ${b.getSum()}"
+    if (n.getSum() != "N1|T2|B3|A4") return "Bad n.getSum(), it: ${n.getSum()}"
+    if (c.getSum() != "N1|T2|B3|C4") return "Bad c.getSum(), it: ${c.getSum()}"
+
+    if (x.f4() != "X4") return "Bad x.f4(), it: ${x.f4()}"
+    return "OK"
+}

js/js.translator/testFiles/mergeEcma/cases/isClassSupport.kt

@@ -0,0 +1,31 @@
+package foo
+
+class D
+
+open class A
+
+open class B: A()
+
+open class C: B()
+
+fun box(): String {
+    val a: Any = A()
+    val b: Any = B()
+    val c: Any = C()
+    if (a !is A) return "a !is A"
+
+    val t = a is A
+    if (!t) return "t = a is A; t != true"
+
+    if (b !is A) return "b !is A"
+    if (b !is B) return "b !is B"
+
+    if (c !is A) return "c !is A"
+    if (c !is B) return "c !is B"
+    if (c !is C) return "c !is C"
+
+    if (a is D) return "a is D"
+    if (b is D) return "b is D"
+
+    return "OK"
+}