From fdbd272971b45ccb6fe9a06003b76f316e738f20 Mon Sep 17 00:00:00 2001
From: James Turk <james.p.turk@gmail.com>
Date: Sun, 27 Mar 2011 15:18:04 -0400
Subject: [PATCH] tests for enum & internals

---
 csdl/tests/__init__.py       |  0
 csdl/tests/test_enum.py      | 23 +++++++++++++++++++++++
 csdl/tests/test_internals.py | 24 ++++++++++++++++++++++++
 3 files changed, 47 insertions(+)
 create mode 100644 csdl/tests/__init__.py
 create mode 100644 csdl/tests/test_enum.py
 create mode 100644 csdl/tests/test_internals.py

diff --git a/csdl/tests/__init__.py b/csdl/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/csdl/tests/test_enum.py b/csdl/tests/test_enum.py
new file mode 100644
index 0000000..bcfae58
--- /dev/null
+++ b/csdl/tests/test_enum.py
@@ -0,0 +1,23 @@
+from csdl.enum import CEnum, CEnumSymbol
+
+class TestEnum(CEnum):
+    FIRST = 0
+    SPECIAL = 2, 'a special case'
+    BIG = 9001
+
+def test_enumsymbol():
+    assert isinstance(TestEnum.FIRST, int)
+    assert TestEnum.FIRST == 0
+    assert TestEnum.SPECIAL == 2
+    assert TestEnum.FIRST.name == 'FIRST'
+    assert TestEnum.SPECIAL.name == 'SPECIAL'
+    assert TestEnum.FIRST.description == 'FIRST'
+    assert TestEnum.SPECIAL.description == 'a special case'
+    assert repr(TestEnum.FIRST) == '<FIRST>'
+    assert repr(TestEnum.SPECIAL) == '<SPECIAL>'
+
+def test_cenum():
+    assert len(TestEnum.values()) == 3
+    big_hopefully = TestEnum.from_int(9001)
+    assert isinstance(big_hopefully, CEnumSymbol)
+    assert big_hopefully.name == 'BIG'
diff --git a/csdl/tests/test_internals.py b/csdl/tests/test_internals.py
new file mode 100644
index 0000000..7584bf2
--- /dev/null
+++ b/csdl/tests/test_internals.py
@@ -0,0 +1,24 @@
+from nose.tools import with_setup, raises
+
+from ..internal import _SDL, errcheck, Version, SDLError
+
+def setup_func():
+    _SDL.SDL_ClearError()
+
+@with_setup(setup_func)
+def test_errcheck_noerr():
+    # set an error to ensure that errors aren't cleared
+    _SDL.SDL_SetError("test")
+    assert errcheck(2) == 2   # positive values should pass through
+    assert errcheck(0) == 0   # as should zero
+    assert _SDL.SDL_GetError() == "test"
+
+@raises(SDLError)
+@with_setup(setup_func)
+def test_errcheck_err():
+    _SDL.SDL_SetError("err!")
+    try:
+        errcheck(-1)    # negative values should trigger the SDLError
+    except SDLError as e:
+        assert str(e) == "err!"
+        raise           # reraise error