[view compiler] Add DexBuilder support for getting and setting instance fields

Bug: 111895153
Change-Id: I5fa2936501c79e30a66f3863b76229ec83433928

1 files changed, 21 insertions, 0 deletions

diff --git a/startop/view_compiler/dex_builder_test/src/android/startop/test/DexBuilderTest.java b/startop/view_compiler/dex_builder_test/src/android/startop/test/DexBuilderTest.java
index 3138e7183226..93496d01144f 100644
--- a/startop/view_compiler/dex_builder_test/src/android/startop/test/DexBuilderTest.java
+++ b/startop/view_compiler/dex_builder_test/src/android/startop/test/DexBuilderTest.java
@@ -190,4 +190,25 @@ public final class DexBuilderTest {
     method.invoke(null);
     Assert.assertEquals(7, TestClass.staticInteger);
   }
+
+  @Test
+  public void readInstanceField() throws Exception {
+    ClassLoader loader = loadDexFile("simple.dex");
+    Class clazz = loader.loadClass("android.startop.test.testcases.SimpleTests");
+    Method method = clazz.getMethod("readInstanceField", TestClass.class);
+    TestClass obj = new TestClass();
+    obj.instanceField = 5;
+    Assert.assertEquals(5, method.invoke(null, obj));
+  }
+
+  @Test
+  public void setInstanceField() throws Exception {
+    ClassLoader loader = loadDexFile("simple.dex");
+    Class clazz = loader.loadClass("android.startop.test.testcases.SimpleTests");
+    Method method = clazz.getMethod("setInstanceField", TestClass.class);
+    TestClass obj = new TestClass();
+    obj.instanceField = 5;
+    method.invoke(null, obj);
+    Assert.assertEquals(7, obj.instanceField);
+  }
 }