From c9b3190f9ba547c58d83944e07d420563a62a0c8 Mon Sep 17 00:00:00 2001
From: David Wehr <dawehr@iastate.edu>
Date: Wed, 22 Feb 2017 00:05:24 -0600
Subject: [PATCH] Added unit test for graph update rules.
---
.../test/test_computation_graph.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/quad/computation_graph/test/test_computation_graph.c b/quad/computation_graph/test/test_computation_graph.c
index e4155ec8f..1cf2b26d7 100644
--- a/quad/computation_graph/test/test_computation_graph.c
+++ b/quad/computation_graph/test/test_computation_graph.c
@@ -145,6 +145,21 @@ int graph_test_self_loop() {
return 0;
}
+int graph_test_update_rules() {
+ struct computation_graph *graph = create_graph();
+ int cblock = graph_add_node_const(graph, "const");
+ int acum_b = graph_add_node_accum(graph, "accumulator");
+ graph_set_source(graph, acum_b, ACCUM_IN, cblock, CONST_VAL);
+
+ graph_set_param_val(graph, cblock, CONST_SET, 3);
+ int to_compute_for[1] = {acum_b};
+ graph_compute_nodes(graph, to_compute_for, 1);
+ graph_compute_nodes(graph, to_compute_for, 1);
+
+ double result = graph_get_output(graph, acum_b, ACCUMULATED);
+ return nequal(result, 3);
+}
+
int main() {
int success = 0;
@@ -155,5 +170,6 @@ int main() {
test(graph_test_single_run, "Test that blocks only get executed once");
test(graph_test_reset_rules, "Tests that already connected blocks don't get reset");
test(graph_test_self_loop, "Tests that a self-loop computation terminates");
+ test(graph_test_update_rules, "Tests that nodes only update when their inputs change");
test_summary();
}
--
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