aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/core/support/histogram_test.cc
diff options
context:
space:
mode:
Diffstat (limited to 'test/core/support/histogram_test.cc')
-rw-r--r--test/core/support/histogram_test.cc163
1 files changed, 0 insertions, 163 deletions
diff --git a/test/core/support/histogram_test.cc b/test/core/support/histogram_test.cc
deleted file mode 100644
index 86b7d599e6..0000000000
--- a/test/core/support/histogram_test.cc
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- *
- * Copyright 2015 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include <grpc/support/histogram.h>
-#include <grpc/support/log.h>
-
-#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x);
-
-static void test_no_op(void) {
- gpr_histogram_destroy(gpr_histogram_create(0.01, 60e9));
-}
-
-static void expect_percentile(gpr_histogram* h, double percentile,
- double min_expect, double max_expect) {
- double got = gpr_histogram_percentile(h, percentile);
- gpr_log(GPR_INFO, "@%f%%, expect %f <= %f <= %f", percentile, min_expect, got,
- max_expect);
- GPR_ASSERT(min_expect <= got);
- GPR_ASSERT(got <= max_expect);
-}
-
-static void test_simple(void) {
- gpr_histogram* h;
-
- LOG_TEST("test_simple");
-
- h = gpr_histogram_create(0.01, 60e9);
- gpr_histogram_add(h, 10000);
- gpr_histogram_add(h, 10000);
- gpr_histogram_add(h, 11000);
- gpr_histogram_add(h, 11000);
-
- expect_percentile(h, 50, 10001, 10999);
- GPR_ASSERT(gpr_histogram_mean(h) == 10500);
-
- gpr_histogram_destroy(h);
-}
-
-static void test_percentile(void) {
- gpr_histogram* h;
- double last;
- double i;
- double cur;
-
- LOG_TEST("test_percentile");
-
- h = gpr_histogram_create(0.05, 1e9);
- gpr_histogram_add(h, 2.5);
- gpr_histogram_add(h, 2.5);
- gpr_histogram_add(h, 8);
- gpr_histogram_add(h, 4);
-
- GPR_ASSERT(gpr_histogram_count(h) == 4);
- GPR_ASSERT(gpr_histogram_minimum(h) == 2.5);
- GPR_ASSERT(gpr_histogram_maximum(h) == 8);
- GPR_ASSERT(gpr_histogram_sum(h) == 17);
- GPR_ASSERT(gpr_histogram_sum_of_squares(h) == 92.5);
- GPR_ASSERT(gpr_histogram_mean(h) == 4.25);
- GPR_ASSERT(gpr_histogram_variance(h) == 5.0625);
- GPR_ASSERT(gpr_histogram_stddev(h) == 2.25);
-
- expect_percentile(h, -10, 2.5, 2.5);
- expect_percentile(h, 0, 2.5, 2.5);
- expect_percentile(h, 12.5, 2.5, 2.5);
- expect_percentile(h, 25, 2.5, 2.5);
- expect_percentile(h, 37.5, 2.5, 2.8);
- expect_percentile(h, 50, 3.0, 3.5);
- expect_percentile(h, 62.5, 3.5, 4.5);
- expect_percentile(h, 75, 5, 7.9);
- expect_percentile(h, 100, 8, 8);
- expect_percentile(h, 110, 8, 8);
-
- /* test monotonicity */
- last = 0.0;
- for (i = 0; i < 100.0; i += 0.01) {
- cur = gpr_histogram_percentile(h, i);
- GPR_ASSERT(cur >= last);
- last = cur;
- }
-
- gpr_histogram_destroy(h);
-}
-
-static void test_merge(void) {
- gpr_histogram *h1, *h2;
- double last;
- double i;
- double cur;
-
- LOG_TEST("test_merge");
-
- h1 = gpr_histogram_create(0.05, 1e9);
- gpr_histogram_add(h1, 2.5);
- gpr_histogram_add(h1, 2.5);
- gpr_histogram_add(h1, 8);
- gpr_histogram_add(h1, 4);
-
- h2 = gpr_histogram_create(0.01, 1e9);
- GPR_ASSERT(gpr_histogram_merge(h1, h2) == 0);
- gpr_histogram_destroy(h2);
-
- h2 = gpr_histogram_create(0.05, 1e10);
- GPR_ASSERT(gpr_histogram_merge(h1, h2) == 0);
- gpr_histogram_destroy(h2);
-
- h2 = gpr_histogram_create(0.05, 1e9);
- GPR_ASSERT(gpr_histogram_merge(h1, h2) == 1);
- GPR_ASSERT(gpr_histogram_count(h1) == 4);
- GPR_ASSERT(gpr_histogram_minimum(h1) == 2.5);
- GPR_ASSERT(gpr_histogram_maximum(h1) == 8);
- GPR_ASSERT(gpr_histogram_sum(h1) == 17);
- GPR_ASSERT(gpr_histogram_sum_of_squares(h1) == 92.5);
- GPR_ASSERT(gpr_histogram_mean(h1) == 4.25);
- GPR_ASSERT(gpr_histogram_variance(h1) == 5.0625);
- GPR_ASSERT(gpr_histogram_stddev(h1) == 2.25);
- gpr_histogram_destroy(h2);
-
- h2 = gpr_histogram_create(0.05, 1e9);
- gpr_histogram_add(h2, 7.0);
- gpr_histogram_add(h2, 17.0);
- gpr_histogram_add(h2, 1.0);
- GPR_ASSERT(gpr_histogram_merge(h1, h2) == 1);
- GPR_ASSERT(gpr_histogram_count(h1) == 7);
- GPR_ASSERT(gpr_histogram_minimum(h1) == 1.0);
- GPR_ASSERT(gpr_histogram_maximum(h1) == 17.0);
- GPR_ASSERT(gpr_histogram_sum(h1) == 42.0);
- GPR_ASSERT(gpr_histogram_sum_of_squares(h1) == 431.5);
- GPR_ASSERT(gpr_histogram_mean(h1) == 6.0);
-
- /* test monotonicity */
- last = 0.0;
- for (i = 0; i < 100.0; i += 0.01) {
- cur = gpr_histogram_percentile(h1, i);
- GPR_ASSERT(cur >= last);
- last = cur;
- }
-
- gpr_histogram_destroy(h1);
- gpr_histogram_destroy(h2);
-}
-
-int main(void) {
- test_no_op();
- test_simple();
- test_percentile();
- test_merge();
- return 0;
-}