diff options
author | Elliott Hughes <enh@google.com> | 2012-06-19 16:54:19 -0700 |
---|---|---|
committer | Elliott Hughes <enh@google.com> | 2012-06-19 16:54:19 -0700 |
commit | 6fcce3092040f829afd68862091ce00c7661d8ed (patch) | |
tree | 438147684436ab04308a6ff01942a1e78304e778 /test/201-built-in-exception-detail-messages/src | |
parent | 72e401c59bce47fdf0274a0d47f0340b05e4f27f (diff) | |
download | art-6fcce3092040f829afd68862091ce00c7661d8ed.tar.gz art-6fcce3092040f829afd68862091ce00c7661d8ed.tar.bz2 art-6fcce3092040f829afd68862091ce00c7661d8ed.zip |
More tests for detail messages, plus a new one.
The array-length instruction is likely to encounter nulls.
Change-Id: I628f5f00dfaff9414740e2f7015b9fb3d34a1bc9
Diffstat (limited to 'test/201-built-in-exception-detail-messages/src')
-rw-r--r-- | test/201-built-in-exception-detail-messages/src/Main.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/test/201-built-in-exception-detail-messages/src/Main.java b/test/201-built-in-exception-detail-messages/src/Main.java index 638fb47079..9b67db60fb 100644 --- a/test/201-built-in-exception-detail-messages/src/Main.java +++ b/test/201-built-in-exception-detail-messages/src/Main.java @@ -24,6 +24,8 @@ public class Main { arrayStore(); classCast(); classNotFound(); + negativeArraySize(); + nullPointers(); reflection(); stringIndex(); } @@ -275,6 +277,71 @@ public class Main { } } + private static void negativeArraySize() throws Exception { + try { + int[] is = new int[-123]; + fail(); + } catch (NegativeArraySizeException ex) { + assertEquals("-123", ex.getMessage()); + } + } + + private static void nullPointers() throws Exception { + // Invoke method. + try { + Object o = null; + o.hashCode(); + fail(); + } catch (NullPointerException ex) { + assertEquals("Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference", ex.getMessage()); + } + + // Read field. + try { + A a = null; + int i = a.i; + fail(); + } catch (NullPointerException ex) { + assertEquals("Attempt to read from field 'int A.i' on a null object reference", ex.getMessage()); + } + + // Write field. + try { + A a = null; + a.i = 1; + fail(); + } catch (NullPointerException ex) { + assertEquals("Attempt to write to field 'int A.i' on a null object reference", ex.getMessage()); + } + + // Read array. + try { + int[] is = null; + int i = is[0]; + fail(); + } catch (NullPointerException ex) { + assertEquals("Attempt to read from null array", ex.getMessage()); + } + + // Write array. + try { + int[] is = null; + is[0] = 1; + fail(); + } catch (NullPointerException ex) { + assertEquals("Attempt to write to null array", ex.getMessage()); + } + + // Invoke method. + try { + int[] is = null; + int i = is.length; + fail(); + } catch (NullPointerException ex) { + assertEquals("Attempt to get length of null array", ex.getMessage()); + } + } + private static void reflection() throws Exception { // Can't assign Integer to a String field. try { @@ -320,6 +387,42 @@ public class Main { } catch (IllegalArgumentException expected) { assertEquals("method A.m argument 1 has type int, got null", expected.getMessage()); } + + try { + Method m = String.class.getMethod("charAt", int.class); + m.invoke("hello"); // Wrong number of arguments. + fail(); + } catch (IllegalArgumentException iae) { + assertEquals("wrong number of arguments; expected 1, got 0", iae.getMessage()); + } + try { + Method m = String.class.getMethod("charAt", int.class); + m.invoke("hello", "world"); // Wrong type. + fail(); + } catch (IllegalArgumentException iae) { + assertEquals("method java.lang.String.charAt argument 1 has type int, got java.lang.String", iae.getMessage()); + } + try { + Method m = String.class.getMethod("charAt", int.class); + m.invoke("hello", (Object) null); // Null for a primitive argument. + fail(); + } catch (IllegalArgumentException iae) { + assertEquals("method java.lang.String.charAt argument 1 has type int, got null", iae.getMessage()); + } + try { + Method m = String.class.getMethod("charAt", int.class); + m.invoke(new Integer(5)); // Wrong type for 'this'. + fail(); + } catch (IllegalArgumentException iae) { + assertEquals("expected receiver of type java.lang.String, but got java.lang.Integer", iae.getMessage()); + } + try { + Method m = String.class.getMethod("charAt", int.class); + m.invoke(null); // Null for 'this'. + fail(); + } catch (NullPointerException npe) { + assertEquals("expected receiver of type java.lang.String, but got null", npe.getMessage()); + } } private static void stringIndex() throws Exception { |