Add simple checker tests for scripts

generators/src/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -377,6 +377,7 @@ fun main(args: Array<String>) {
             model("checker/regression")
             model("checker/recovery")
             model("checker/rendering")
+            model("checker/scripts", extension = "kts")
             model("checker/duplicateJvmSignature")
             model("checker/infos", testMethod = "doTestWithInfos")
         }

idea/testData/checker/scripts/if.kts

@@ -0,0 +1,10 @@
+val c = true
+if (c) {
+    2 + 3
+}
+
+fun f() {
+    if (!c) {
+        3 + 4
+    }
+}

idea/testData/checker/scripts/packageStatement.kts

@@ -0,0 +1,3 @@
+package org.my
+
+val x = 1

idea/testData/checker/scripts/simple.kts

@@ -0,0 +1,26 @@
+fun f() {
+}
+
+fun g() {
+    f()
+}
+
+val c = 1
+
+1 + 2
+
+val k = f()
+
+3 + 5
+
+g()
+f()
+
+class C {
+    fun f() {
+    }
+}
+
+val cc = C()
+
+cc.f()

idea/testData/checker/scripts/uninitializedVariable.kts

@@ -0,0 +1,2 @@
+val x = <error descr="[UNINITIALIZED_VARIABLE] Variable 'y' must be initialized">y</error>
+val y = 3

idea/tests/org/jetbrains/kotlin/checkers/PsiCheckerTestGenerated.java

@@ -563,6 +563,39 @@ public class PsiCheckerTestGenerated extends AbstractPsiCheckerTest {
         }
     }
 
+    @TestMetadata("idea/testData/checker/scripts")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class Scripts extends AbstractPsiCheckerTest {
+        public void testAllFilesPresentInScripts() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("idea/testData/checker/scripts"), Pattern.compile("^(.+)\\.kts$"), true);
+        }
+
+        @TestMetadata("if.kts")
+        public void testIf() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/checker/scripts/if.kts");
+            doTest(fileName);
+        }
+
+        @TestMetadata("packageStatement.kts")
+        public void testPackageStatement() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/checker/scripts/packageStatement.kts");
+            doTest(fileName);
+        }
+
+        @TestMetadata("simple.kts")
+        public void testSimple() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/checker/scripts/simple.kts");
+            doTest(fileName);
+        }
+
+        @TestMetadata("uninitializedVariable.kts")
+        public void testUninitializedVariable() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/checker/scripts/uninitializedVariable.kts");
+            doTest(fileName);
+        }
+    }
+
     @TestMetadata("idea/testData/checker/duplicateJvmSignature")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)