[Interop][Test] Add test for fields of ObjC types

2020-05-18 20:02:21 +07:00
parent 740e56f1a5
commit 18b0c7e4a6
2 changed files with 82 additions and 0 deletions
@@ -0,0 +1,17 @@
+#import <Foundation/NSString.h>
+
+struct CStructWithNSObjects {
+    id any;
+
+    NSString* nsString;
+    NSString* _Nonnull nonNullString;
+    NSObject* object;
+
+    NSArray* array;
+    NSMutableArray* mutableArray;
+
+    NSSet* set;
+
+    NSDictionary* dictionary;
+};
+
@@ -0,0 +1,65 @@
+import kotlinx.cinterop.*
+import kotlin.test.*
+import objcTests.*
+
+private class NSObjectSubClass : NSObject() {
+    val x = 111
+}
+
+@Test
+fun testStructWithNSObject() {
+    memScoped {
+        val struct = alloc<CStructWithNSObjects>()
+
+        struct.any = 5
+        assertEquals(5, struct.any)
+        struct.any = null
+        assertEquals(null, struct.any)
+
+        struct.nsString = "hello"
+        assertEquals("hello", struct.nsString)
+        struct.nsString = null
+        assertEquals(null, struct.nsString)
+
+        struct.nonNullString = "world"
+        assertEquals("world", struct.nonNullString)
+
+        struct.`object` = NSObjectSubClass()
+        assertEquals(111, (struct.`object` as NSObjectSubClass).x)
+        struct.`object` = null
+        assertEquals(null, struct.`object`)
+
+        struct.array = null
+        assertEquals(null, struct.array)
+        struct.array = listOf(1, 2, 3)
+        assertEquals(listOf(1, 2, 3), struct.array)
+
+        struct.set = null
+        assertEquals(null, struct.set)
+        struct.set = setOf("hello", "world")
+        assertEquals(setOf("hello", "world"), struct.set)
+
+        struct.dictionary = null
+        assertEquals(null, struct.dictionary)
+        struct.dictionary = mapOf("k1" to "v1", "k2" to "v2")
+        assertEquals(mapOf("k1" to "v1", "k2" to "v2"), struct.dictionary)
+
+        struct.mutableArray = null
+        assertEquals(null, struct.mutableArray)
+        struct.mutableArray = mutableListOf(1, 2)
+        struct.mutableArray!! += 3
+        assertEquals(mutableListOf(1, 2, 3), struct.mutableArray)
+
+        // Check that subtyping via Nothing-returning functions does not break compiler.
+        assertFailsWith<NotImplementedError> {
+            struct.any = TODO()
+            struct.nsString = TODO()
+            struct.nonNullString = TODO()
+            struct.`object` = TODO()
+            struct.array = TODO()
+            struct.set = TODO()
+            struct.dictionary = TODO()
+            struct.mutableArray = TODO()
+        }
+    }
+}