(WIP) Explicit test for where malloc calls should add the memory use

gdb-port/tests/integration/test_malloc_attribution.py

+import unittest
+
+class TestMallocParserAttribution(unittest.TestCase):
+	def setUp(self):
+		self.a = Parser("a", 128)
+		self.b = Parser("b", 32)
+		self.top_level_parse = TopLevelParse()
+		self.top_level_parse.parser_objs[32] = self.b
+		self.top_level_parse.parser_objs[128] = self.a
+		# TODO: the above two lines simulate a side effect of enter_h_do_parse. could be avoided if self.a and self.b was assigned after the calls below
+		self.top_level_parse.enter_h_packrat_parse(self.a.address)
+
+#TODO: are we initializing from scratch for every test?
+		self.top_level_parse.enter_h_do_parse(400, 256, self.a.address)
+		self.top_level_parse.parse_virtual(self.a.address)
+		self.top_level_parse.enter_perform_lowlevel_parse(self.a.address)
+
+
+	def test_alloc_after_h_do_parse(self):
+		self.top_level_parse.enter_h_do_parse(400, 256, self.b.address)
+		self.top_level_parse.enter_h_arena_malloc_raw(150)
+		self.assertEqual(b.bytes_used[256], 150)
+
+	def test_alloc_after_parse_virtual(self):
+		self.top_level_parse.enter_h_do_parse(400, 256, self.b.address)
+		self.top_level_parse.parse_virtual(self.b.address)
+		self.top_level_parse.enter_h_arena_malloc_raw(150)
+		self.assertEqual(b.bytes_used[256], 150)
+
+	def test_alloc_after_enter_perform_lowlevel_parse(self):
+		self.top_level_parse.enter_h_do_parse(400, 256, self.b.address)
+		self.top_level_parse.parse_virtual(self.b.address)
+		self.top_level_parse.enter_perform_lowlevel_parse(self.b.address)
+		self.top_level_parse.enter_h_arena_malloc_raw(150)
+		self.assertEqual(b.bytes_used[256], 150)