FIR IDE: Add tests for resolving from nested types references

Some of those tests are failing in the FIR IDE

idea/idea-fir/tests/org/jetbrains/kotlin/idea/resolve/FirReferenceResolveTestGenerated.java

@@ -707,4 +707,62 @@ public class FirReferenceResolveTestGenerated extends AbstractFirReferenceResolv
             runTest("idea/testData/resolve/references/invoke/oneParamRPar.kt");
         }
     }
+
+    @TestMetadata("idea/testData/resolve/references/nestedTypes")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class NestedTypes extends AbstractFirReferenceResolveTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInNestedTypes() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/resolve/references/nestedTypes"), Pattern.compile("^([^.]+)\\.kt$"), null, true);
+        }
+
+        @TestMetadata("ResolveCompanionInCompanionType.kt")
+        public void testResolveCompanionInCompanionType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveCompanionInCompanionType.kt");
+        }
+
+        @TestMetadata("ResolveEndOfPackageInType.kt")
+        public void testResolveEndOfPackageInType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveEndOfPackageInType.kt");
+        }
+
+        @TestMetadata("ResolveMiddleOfPackageInType.kt")
+        public void testResolveMiddleOfPackageInType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveMiddleOfPackageInType.kt");
+        }
+
+        @TestMetadata("ResolveStartOfPackageInType.kt")
+        public void testResolveStartOfPackageInType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveStartOfPackageInType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheEndOfType.kt")
+        public void testResolveTypeInTheEndOfType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheEndOfType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheMiddleOfCompanionType.kt")
+        public void testResolveTypeInTheMiddleOfCompanionType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheMiddleOfCompanionType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheMiddleOfType.kt")
+        public void testResolveTypeInTheMiddleOfType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheMiddleOfType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheStartOfCompanionType.kt")
+        public void testResolveTypeInTheStartOfCompanionType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheStartOfCompanionType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheStartOfType.kt")
+        public void testResolveTypeInTheStartOfType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheStartOfType.kt");
+        }
+    }
 }

idea/testData/resolve/references/nestedTypes/ResolveCompanionInCompanionType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        companion object
+    }
+}
+
+fun test(param: foo.bar.baz.AA.BB.<caret>Companion) {}
+
+// REF: companion object of (in foo.bar.baz.AA).BB

idea/testData/resolve/references/nestedTypes/ResolveEndOfPackageInType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        class CC
+    }
+}
+
+fun test(param: foo.bar.<caret>baz.AA.BB.CC) {}
+
+// REF: baz

idea/testData/resolve/references/nestedTypes/ResolveMiddleOfPackageInType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        class CC
+    }
+}
+
+fun test(param: foo.<caret>bar.baz.AA.BB.CC) {}
+
+// REF: bar

idea/testData/resolve/references/nestedTypes/ResolveStartOfPackageInType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        class CC
+    }
+}
+
+fun test(param: <caret>foo.bar.baz.AA.BB.CC) {}
+
+// REF: foo

idea/testData/resolve/references/nestedTypes/ResolveTypeInTheEndOfType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        class CC
+    }
+}
+
+fun test(param: foo.bar.baz.AA.BB.<caret>CC) {}
+
+// REF: (in foo.bar.baz.AA.BB).CC

idea/testData/resolve/references/nestedTypes/ResolveTypeInTheMiddleOfCompanionType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        companion object
+    }
+}
+
+fun test(param: foo.bar.baz.AA.<caret>BB.Companion) {}
+
+// REF: (in foo.bar.baz.AA).BB

idea/testData/resolve/references/nestedTypes/ResolveTypeInTheMiddleOfType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        class CC
+    }
+}
+
+fun test(param: foo.bar.baz.AA.<caret>BB.CC) {}
+
+// REF: (in foo.bar.baz.AA).BB

idea/testData/resolve/references/nestedTypes/ResolveTypeInTheStartOfCompanionType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        companion object
+    }
+}
+
+fun test(param: foo.bar.baz.<caret>AA.BB.Companion) {}
+
+// REF: (foo.bar.baz).AA

idea/testData/resolve/references/nestedTypes/ResolveTypeInTheStartOfType.kt

@@ -0,0 +1,11 @@
+package foo.bar.baz
+
+class AA {
+    class BB {
+        class CC
+    }
+}
+
+fun test(param: foo.bar.baz.<caret>AA.BB.CC) {}
+
+// REF: (foo.bar.baz).AA

idea/tests/org/jetbrains/kotlin/idea/resolve/ReferenceResolveTestGenerated.java

@@ -707,4 +707,62 @@ public class ReferenceResolveTestGenerated extends AbstractReferenceResolveTest
             runTest("idea/testData/resolve/references/invoke/oneParamRPar.kt");
         }
     }
+
+    @TestMetadata("idea/testData/resolve/references/nestedTypes")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class NestedTypes extends AbstractReferenceResolveTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInNestedTypes() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/resolve/references/nestedTypes"), Pattern.compile("^([^.]+)\\.kt$"), null, true);
+        }
+
+        @TestMetadata("ResolveCompanionInCompanionType.kt")
+        public void testResolveCompanionInCompanionType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveCompanionInCompanionType.kt");
+        }
+
+        @TestMetadata("ResolveEndOfPackageInType.kt")
+        public void testResolveEndOfPackageInType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveEndOfPackageInType.kt");
+        }
+
+        @TestMetadata("ResolveMiddleOfPackageInType.kt")
+        public void testResolveMiddleOfPackageInType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveMiddleOfPackageInType.kt");
+        }
+
+        @TestMetadata("ResolveStartOfPackageInType.kt")
+        public void testResolveStartOfPackageInType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveStartOfPackageInType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheEndOfType.kt")
+        public void testResolveTypeInTheEndOfType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheEndOfType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheMiddleOfCompanionType.kt")
+        public void testResolveTypeInTheMiddleOfCompanionType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheMiddleOfCompanionType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheMiddleOfType.kt")
+        public void testResolveTypeInTheMiddleOfType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheMiddleOfType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheStartOfCompanionType.kt")
+        public void testResolveTypeInTheStartOfCompanionType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheStartOfCompanionType.kt");
+        }
+
+        @TestMetadata("ResolveTypeInTheStartOfType.kt")
+        public void testResolveTypeInTheStartOfType() throws Exception {
+            runTest("idea/testData/resolve/references/nestedTypes/ResolveTypeInTheStartOfType.kt");
+        }
+    }
 }