JNI_OnLoad called
getFieldId(class TestClass, "intField", "I")
Result: true
getFieldId(class TestClass, "intField", "int")
Caught java.lang.NoSuchFieldError
  caused by java.lang.NoClassDefFoundError
getFieldId(class TestClass, "intField", "Lint;")
Caught java.lang.NoSuchFieldError
  caused by java.lang.ClassNotFoundException
getFieldId(class TestClass, "stringField", "I")
Caught java.lang.NoSuchFieldError
getFieldId(class TestClass, "stringField", "Ljava/lang/String;")
Result: true
getFieldId(class TestClass, "stringField", "java/lang/String")
Caught java.lang.NoSuchFieldError
  caused by java.lang.NoClassDefFoundError
getFieldId(class TestClass, "stringField", "Ljava.lang.String;")
Caught java.lang.NoSuchFieldError
  caused by java.lang.NoClassDefFoundError
getFieldId(class TestClass, "stringField", "java.lang.String")
Caught java.lang.NoSuchFieldError
  caused by java.lang.NoClassDefFoundError
Test that MyClassLoader.loadClass("Bad.Class") shall not be called.
  Error message for Bad/Class: Invalid descriptor: Bad/Class.
  Error message for Bad.Class: Invalid descriptor: Bad.Class.
  Error message for LBad.Class;: Invalid descriptor: LBad.Class;.