Add testcase for psa_crypto_input_copy_free()

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto_memory.data b/tests/suites/test_suite_psa_crypto_memory.data
index 85fed8f..6591ba7 100644
--- a/tests/suites/test_suite_psa_crypto_memory.data
+++ b/tests/suites/test_suite_psa_crypto_memory.data
@@ -33,3 +33,9 @@
 
 PSA crypto input copy alloc, NULL buffer
 input_copy_alloc:0:PSA_SUCCESS
+
+PSA crypto input copy free
+input_copy_free:200
+
+PSA crypto input copy free, NULL buffer
+input_copy_free:0
diff --git a/tests/suites/test_suite_psa_crypto_memory.function b/tests/suites/test_suite_psa_crypto_memory.function
index 837ff06..c40ba67 100644
--- a/tests/suites/test_suite_psa_crypto_memory.function
+++ b/tests/suites/test_suite_psa_crypto_memory.function
@@ -109,3 +109,24 @@
     mbedtls_free(input);
 }
 /* END_CASE */
+
+/* BEGIN_CASE */
+void input_copy_free(int input_len)
+{
+    psa_crypto_input_copy_t input_copy;
+
+    input_copy.buffer = NULL;
+    input_copy.len = input_len;
+    TEST_CALLOC(input_copy.buffer, input_copy.len);
+
+    psa_crypto_input_copy_free(&input_copy);
+
+    TEST_ASSERT(input_copy.buffer == NULL);
+    TEST_EQUAL(input_copy.len, 0);
+
+exit:
+    mbedtls_free(input_copy.buffer);
+    input_copy.buffer = NULL;
+    input_copy.len = 0;
+}
+/* END_CASE */