Kill blackBoxFile()

If your test is supposed to use blackBoxFile(), maybe it should be placed into
box/boxWithStdlib directory

compiler/testData/codegen/notNullAssertions/doGenerateParamAssertions.java

@@ -6,12 +6,12 @@ public abstract class doGenerateParamAssertions {
 
     public abstract void bar(@NotNull String s);
     
-    public static String foo(doGenerateParamAssertions a) {
+    public static void foo(doGenerateParamAssertions a) {
         try {
             a.bar(null);
         } catch (IllegalArgumentException e) {
-            return "OK";
+            return;
         }
-        return "Fail: AssertionError expected";
+        throw new AssertionError("Fail: IllegalArgumentException expected");
     }
 }

compiler/testData/codegen/notNullAssertions/doGenerateParamAssertions.kt

@@ -5,4 +5,4 @@ class A : C() {
     }
 }
 
-fun box() = C.foo(A())
+fun doTest() = C.foo(A())

compiler/tests/org/jetbrains/jet/codegen/CodegenTestCase.java

@@ -105,10 +105,6 @@ public abstract class CodegenTestCase extends UsefulTestCase {
         throw new UnsupportedOperationException();
     }
 
-    protected void blackBoxFile(@NotNull String filename) {
-        blackBoxMultiFile(filename);
-    }
-
     protected void blackBoxFileByFullPath(@NotNull String filename) {
         loadFileByFullPath(filename);
         blackBox();
@@ -148,7 +144,7 @@ public abstract class CodegenTestCase extends UsefulTestCase {
         myEnvironment = new JetCoreEnvironment(getTestRootDisposable(), JetTestUtils.compilerConfigurationForTests(
                 ConfigurationKind.JDK_ONLY, TestJdkKind.MOCK_JDK, JetTestUtils.getAnnotationsJar(), javaClassesTempDirectory));
 
-        blackBoxFile(ktFile);
+        blackBoxMultiFile(ktFile);
     }
 
     @NotNull

compiler/tests/org/jetbrains/jet/codegen/ComponentGenTest.java

@@ -16,6 +16,7 @@
 
 package org.jetbrains.jet.codegen;
 
+import org.apache.commons.lang.StringUtils;
 import org.jetbrains.jet.ConfigurationKind;
 
 /**
@@ -25,13 +26,7 @@ import org.jetbrains.jet.ConfigurationKind;
 public class ComponentGenTest extends CodegenTestCase {
     public void testComponent() {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("componentEvaluatesOnlyOnce.kt");
-
-        String asm = generateToText();
-        //System.out.println(asm);
-        final String pattern = "NEW S\n";
-        final int index = asm.indexOf(pattern);
-        asm = asm.substring(index + pattern.length());
-        assertEquals(-1, asm.indexOf(pattern));
+        loadFile("componentEvaluatesOnlyOnce.kt");
+        assertEquals(1, StringUtils.countMatches(generateToText(), "NEW S\n"));
     }
 }

compiler/tests/org/jetbrains/jet/codegen/GenerateNotNullAssertionsTest.java

@@ -100,7 +100,8 @@ public class GenerateNotNullAssertionsTest extends CodegenTestCase {
 
         setUpEnvironment(false, true, javaClassesTempDirectory);
 
-        blackBoxFile("notNullAssertions/doGenerateParamAssertions.kt");
+        loadFile("notNullAssertions/doGenerateParamAssertions.kt");
+        generateFunction().invoke(null);
     }
 
     public void testDoNotGenerateParamAssertions() throws Exception {