test test_context() on a state with no initial context

test/test-context.c

@@ -26,7 +26,7 @@
 #include "util.h"
 #include "test-context.h"
 
-// Local Types
+// Internal Types
 
 typedef struct ContextData ContextData;
 
@@ -37,21 +37,20 @@ struct ContextData
 	const char *initial_full_context;
 	int initial_depth;
 	const char *new_context;
+	const char *expected_sub_full_context;
+	int expected_sub_depth;
 	const char *sub_context;
 	const char *sub_full_context;
 	int sub_depth;
-	const char *expected_sub_full_context;
-	int expected_sub_depth;
 };
 
-// Local Prototypes
+// Internal Prototypes
 
 static void no_prior_context(TestState *);
+static void test_context_common(TestState *, ContextData *);
 static void init_ContextData(ContextData *);
-static void run_test_context(ContextData *);
 static void get_context(TestState *);
 static void check_results(TestState *, ContextData *);
-static void check_sub_context(TestState *);
 static void clean_up(ContextData *);
 
 // Public Functions
@@ -62,42 +61,64 @@ test_test_context(TestState *s)
 	test_context(s, "no prior context", no_prior_context);
 }
 
-// Local Functions
+// Internal Functions
 
 static void
 no_prior_context(TestState *s)
 {
-	// set initial state
 	ContextData cd;
+
+	// set initial state
 	cd.new_context = "my test";
 	cd.initial_context = 0;
 	cd.initial_full_context = 0;
 	cd.initial_depth = 0;
-	init_ContextData(&cd);
 
-	run_test_context(&cd);
+	// set expectations
 	cd.expected_sub_full_context = "my test";
 	cd.expected_sub_depth = 1;
-	check_results(s, &cd);
+
-	clean_up(&cd);
+	test_context_common(s, &cd);
+}
+
+static void
+test_context_common(
+	TestState *s,
+	ContextData *cd
+)
+{
+	init_ContextData(cd);
+	test_context(&cd->state, cd->new_context, get_context);
+	check_results(s, cd);
+	clean_up(cd);
 }
 
 static void
 init_ContextData(ContextData *cd)
 {
 	mk_sample_state(&cd->state);
-	cd->state.context = cd->initial_context;
+	cd->state.ptr = cd;
-	cd->state.full_context = cd->initial_full_context;
+
-	cd->state.depth = cd->initial_depth;
+	// initial context
+	if (cd->initial_context)
+	{
+		cd->state.context =
+			malloc(strlen(cd->initial_context) + 1);
+		strcpy(cd->state.context, cd->initial_context);
 	}
 
-static void
+	// initial full_context
-run_test_context(ContextData *cd)
+	if (cd->initial_full_context)
 	{
-	void *old_ptr = cd->state.ptr;
+		cd->state.full_context =
-	cd->state.ptr = cd;
+			malloc(strlen(cd->initial_full_context) + 1);
-	test_context(&cd->state, cd->new_context, get_context);
+		strcpy(
-	cd->state.ptr = old_ptr;
+			cd->state.full_context,
+			cd->initial_full_context
+		);
+	}
+
+	cd->state.depth = cd->initial_depth;
 }
 
 static void
@@ -128,23 +149,67 @@ get_context(TestState *s)
 }
 
 static void
-check_results(TestState *s, ContextData *cd)
+check_results(
+	TestState *s,
+	ContextData *cd
+)
 {
-	void *old_ptr = s->ptr;
+	// sub context
-	s->ptr = cd;
+	chk_str_eq(
-	test_context(s, "sub context", check_sub_context);
+		s,
-	s->ptr = old_ptr;
+		"sub context",
-}
+		cd->sub_context,
+		cd->new_context
+	);
 
-static void
+	// sub full_context
-check_sub_context(TestState *s)
+	chk_str_eq(
-{
+		s,
-	ContextData *cd = s->ptr;
+		"sub full_context",
+		cd->sub_full_context,
+		cd->expected_sub_full_context
+	);
+
+	// sub depth
+	chk_int_eq(
+		s,
+		"sub depth",
+		cd->sub_depth,
+		cd->expected_sub_depth
+	);
+	
+	// final context
+	chk_str_eq(
+		s,
+		"final context",
+		cd->state.context,
+		cd->initial_context
+	);
+
+	// final full_context
+	chk_str_eq(
+		s,
+		"final full_context",
+		cd->state.full_context,
+		cd->initial_full_context
+	);
+
+	// final depth
+	chk_int_eq(
+		s,
+		"final depth",
+		cd->state.depth,
+		cd->initial_depth
+	);
 }
 
 static void
 clean_up(ContextData *cd)
 {
+	free(cd->state.context);
+	free(cd->state.full_context);
+	free(cd->sub_context);
+	free(cd->sub_full_context);
 }
 
 //jl