Test: Errors: Test for copying invalid binary value parent in schema

The parent of the binary type must be mapping.

test/units/errs.c

@@ -3423,6 +3423,68 @@ static bool test_err_copy_schema_required_mapping_missing(
 	return ttest_pass(&tc);
 }
 
+/**
+ * Test copying with schema with a data type without mapping parent.
+ *
+ * \param[in]  report  The test report context.
+ * \param[in]  config  The CYAML config to use for the test.
+ * \return true if test passes, false otherwise.
+ */
+static bool test_err_copy_schema_required_mapping_missing2(
+		ttest_report_ctx_t *report,
+		const cyaml_config_t *config)
+{
+	static int values[] = { 10, 20 };
+	static const struct target_struct {
+		int *value;
+		unsigned value_count;
+	} val = {
+		.value = values,
+		.value_count = CYAML_ARRAY_LEN(values),
+	};
+	static const struct cyaml_schema_value entry_schema = {
+		.type = CYAML_BINARY,
+		.flags = CYAML_FLAG_POINTER,
+		.data_size = 8,
+		.binary = {
+			.min = 0,
+			.max = CYAML_UNLIMITED,
+			.validation_cb = NULL,
+			.missing = NULL,
+			.missing_len = 0,
+		},
+	};
+	static const struct cyaml_schema_value top_schema = {
+		CYAML_VALUE_SEQUENCE(CYAML_FLAG_POINTER, int,
+				&entry_schema, 0, CYAML_UNLIMITED),
+	};
+	struct target_struct *data_tgt = NULL;
+	test_data_t td = {
+		.data = (cyaml_data_t **) &data_tgt,
+		.config = config,
+		.schema = &top_schema,
+	};
+	cyaml_err_t err;
+	ttest_ctx_t tc;
+
+	if (!ttest_start(report, __func__, cyaml_cleanup, &td, &tc)) {
+		return true;
+	}
+
+	err = cyaml_copy(config, &top_schema,
+			(const cyaml_data_t *) &val, 2,
+			(cyaml_data_t **) &data_tgt);
+	if (err != CYAML_ERR_MAPPING_REQUIRED) {
+		return ttest_fail(&tc, cyaml_strerror(err));
+	}
+
+	if (data_tgt != NULL) {
+		return ttest_fail(&tc, "Data non-NULL on error.");
+	}
+
+	return ttest_pass(&tc);
+}
+
 /**
  * Test loading when schema expects uint, but value is invalid.
  *
@@ -10649,6 +10711,7 @@ bool errs_tests(
 	pass &= test_err_save_schema_sequence_in_sequence(rc, &config);
 	pass &= test_err_copy_schema_sequence_in_sequence(rc, &config);
 	pass &= test_err_copy_schema_required_mapping_missing(rc, &config);
+	pass &= test_err_copy_schema_required_mapping_missing2(rc, &config);
 
 	ttest_heading(rc, "YAML / schema mismatch: bad values");