diff --git a/9unit.c b/9unit.c
index 958f3a1..7345514 100644
--- a/9unit.c
+++ b/9unit.c
@@ -31,8 +31,8 @@ typedef struct RunTestWith RunTestWith;
 typedef struct RunTestCompare RunTestCompare;
 typedef struct ContextData ContextData;
 typedef struct TestContextWith TestContextWith;
+typedef struct TestContextCompare TestContextCompare;
 typedef struct SingleTestContextWith SingleTestContextWith;
-typedef struct CheckValue CheckValue;
 
 // data required by run_test_with()
 struct RunTestWith
@@ -66,6 +66,14 @@ struct TestContextWith
 	void *val; // the value being passed in
 };
 
+// data needed by test_context_compare()
+struct TestContextCompare
+{
+	void (*test)(TestState *, void *, void *);
+	void *val1;
+	void *val2;
+};
+
 // data needed by single_test_context_with()
 struct SingleTestContextWith
 {
@@ -73,13 +81,6 @@ struct SingleTestContextWith
 	void *val;
 };
 
-struct CheckValue
-{
-	void *chk_val; // the value being checked
-	void *ref_val; // the reference value
-	void (*test)(TestState *, void *, void *); // the test
-};
-
 // Internal Prototypes
 
 static void init_TestState(TestState *);
@@ -92,10 +93,10 @@ static void display_context(TestState *);
 static void restore_context(TestState *, ContextData *);
 static TestResult run_test_with_test(TestState *);
 static TestResult run_test_compare_test(TestState *, void *);
-static void single_test_context_test(TestState *, void *);
 static void test_context_with_test(TestState *);
+static void test_context_compare_test(TestState *, void *);
+static void single_test_context_test(TestState *, void *);
 static void single_test_context_with_test(TestState *, void *);
-static void check_value_test(TestState *, void *);
 
 // Public Functions
 
@@ -248,6 +249,27 @@ test_context_with(
 	test_context(s, context, test_context_with_test);
 }
 
+void
+test_context_compare(
+	TestState *s,
+	const char *context,
+	void (*test)(TestState *, void *, void *),
+	void *val1,
+	void *val2
+)
+{
+	TestContextCompare d;
+	d.test = test;
+	d.val1 = val1;
+	d.val2 = val2;
+	test_context_with(
+		s,
+		context,
+		test_context_compare_test,
+		&d
+	);
+}
+
 void
 single_test_context(
 	TestState *s,
@@ -277,23 +299,6 @@ single_test_context_with(
 	);
 }
 
-void
-check_value(
-	TestState *s,
-	const char *context,
-	void (*test)(TestState *, void *, void *),
-	void *chk_val,
-	void *ref_val
-)
-{
-	if (!(s && test)) return;
-	CheckValue d;
-	d.chk_val = chk_val;
-	d.ref_val = ref_val;
-	d.test = test;
-	test_context_with(s, context, check_value_test, &d);
-}
-
 // Internal Functions
 
 static void
@@ -416,6 +421,16 @@ test_context_with_test(TestState *s)
 	(*d->test)(s, d->val);
 }
 
+static void
+test_context_compare_test(
+	TestState *s,
+	void *ptr
+)
+{
+	TestContextCompare *d = ptr;
+	(*d->test)(s, d->val1, d->val2);
+}
+
 static void
 single_test_context_test(TestState *s, void *test)
 {
@@ -429,11 +444,4 @@ single_test_context_with_test(TestState *s, void *ptr)
 	run_test_with(s, d->test, d->val);
 }
 
-static void
-check_value_test(TestState *s, void *ptr)
-{
-	CheckValue *d = ptr;
-	(*d->test)(s, d->chk_val, d->ref_val);
-}
-
 //jl
diff --git a/9unit.h b/9unit.h
index 0e5fd37..c0e9b31 100644
--- a/9unit.h
+++ b/9unit.h
@@ -115,6 +115,22 @@ extern void test_context_with(
 	void * // the value being passed in
 );
 
+// Passes two values into a test context
+void test_context_compare(
+	TestState *, // the current state
+	const char *, // the context label
+
+	// test function
+	void (*)(
+		TestState *, // the current state
+		void *, // the first value
+		void * // the second value
+	),
+
+	void *, // the first value
+	void * // the second value
+);
+
 // Runs a single test with a context label
 extern void single_test_context(
 	TestState *, // the current state
@@ -136,20 +152,4 @@ extern void single_test_context_with(
 	void * // the value being passed
 );
 
-// Runs a test to check a value
-extern void check_value(
-	TestState *, // the current test state
-	const char *, // a description of the context
-
-	// the test function
-	void (*)(
-		TestState *,
-		void *, // the check value
-		void * // the reference value
-	),
-
-	void *, // the value being checked
-	void * // the reference value
-);
-
 //jl