diff options
Diffstat (limited to 'test/core/support/histogram_test.cc')
-rw-r--r-- | test/core/support/histogram_test.cc | 163 |
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; -} |