Merge pull request #13147 from yashykt/testc++ize

Convert test/core to C++

1 files changed, 161 insertions, 0 deletions

diff --git a/test/core/transport/timeout_encoding_test.cc b/test/core/transport/timeout_encoding_test.cc
new file mode 100644
index 0000000000..0930bc836d
--- /dev/null
+++ b/test/core/transport/timeout_encoding_test.cc
@@ -0,0 +1,161 @@
+/*
+ *
+ * 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 "src/core/lib/transport/timeout_encoding.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
+#include "test/core/util/test_config.h"
+
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
+
+static void assert_encodes_as(grpc_millis ts, const char* s) {
+  char buffer[GRPC_HTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE];
+  grpc_http2_encode_timeout(ts, buffer);
+  gpr_log(GPR_INFO, "check '%s' == '%s'", buffer, s);
+  GPR_ASSERT(0 == strcmp(buffer, s));
+}
+
+void test_encoding(void) {
+  LOG_TEST("test_encoding");
+  assert_encodes_as(-1, "1n");
+  assert_encodes_as(-10, "1n");
+  assert_encodes_as(1, "1m");
+  assert_encodes_as(10, "10m");
+  assert_encodes_as(100, "100m");
+  assert_encodes_as(890, "890m");
+  assert_encodes_as(900, "900m");
+  assert_encodes_as(901, "901m");
+  assert_encodes_as(1000, "1S");
+  assert_encodes_as(2000, "2S");
+  assert_encodes_as(2500, "2500m");
+  assert_encodes_as(59900, "59900m");
+  assert_encodes_as(50000, "50S");
+  assert_encodes_as(59000, "59S");
+  assert_encodes_as(60000, "1M");
+  assert_encodes_as(80000, "80S");
+  assert_encodes_as(90000, "90S");
+  assert_encodes_as(120000, "2M");
+  assert_encodes_as(20 * 60 * GPR_MS_PER_SEC, "20M");
+  assert_encodes_as(60 * 60 * GPR_MS_PER_SEC, "1H");
+  assert_encodes_as(10 * 60 * 60 * GPR_MS_PER_SEC, "10H");
+}
+
+static void assert_decodes_as(const char* buffer, grpc_millis expected) {
+  grpc_millis got;
+  uint32_t hash = gpr_murmur_hash3(buffer, strlen(buffer), 0);
+  gpr_log(GPR_INFO, "check decoding '%s' (hash=0x%x)", buffer, hash);
+  GPR_ASSERT(1 == grpc_http2_decode_timeout(
+                      grpc_slice_from_static_string(buffer), &got));
+  if (got != expected) {
+    gpr_log(GPR_ERROR, "got:'%" PRIdPTR "' != expected:'%" PRIdPTR "'", got,
+            expected);
+    abort();
+  }
+}
+
+void decode_suite(char ext, grpc_millis (*answer)(int64_t x)) {
+  long test_vals[] = {1,       12,       123,       1234,     12345,   123456,
+                      1234567, 12345678, 123456789, 98765432, 9876543, 987654,
+                      98765,   9876,     987,       98,       9};
+  unsigned i;
+  char* input;
+  for (i = 0; i < GPR_ARRAY_SIZE(test_vals); i++) {
+    gpr_asprintf(&input, "%ld%c", test_vals[i], ext);
+    assert_decodes_as(input, answer(test_vals[i]));
+    gpr_free(input);
+
+    gpr_asprintf(&input, "   %ld%c", test_vals[i], ext);
+    assert_decodes_as(input, answer(test_vals[i]));
+    gpr_free(input);
+
+    gpr_asprintf(&input, "%ld %c", test_vals[i], ext);
+    assert_decodes_as(input, answer(test_vals[i]));
+    gpr_free(input);
+
+    gpr_asprintf(&input, "%ld %c  ", test_vals[i], ext);
+    assert_decodes_as(input, answer(test_vals[i]));
+    gpr_free(input);
+  }
+}
+
+static grpc_millis millis_from_nanos(int64_t x) {
+  return (grpc_millis)(x / GPR_NS_PER_MS + (x % GPR_NS_PER_MS != 0));
+}
+static grpc_millis millis_from_micros(int64_t x) {
+  return (grpc_millis)(x / GPR_US_PER_MS + (x % GPR_US_PER_MS != 0));
+}
+static grpc_millis millis_from_millis(int64_t x) { return (grpc_millis)x; }
+static grpc_millis millis_from_seconds(int64_t x) {
+  return (grpc_millis)(x * GPR_MS_PER_SEC);
+}
+static grpc_millis millis_from_minutes(int64_t x) {
+  return (grpc_millis)(x * 60 * GPR_MS_PER_SEC);
+}
+static grpc_millis millis_from_hours(int64_t x) {
+  return (grpc_millis)(x * 3600 * GPR_MS_PER_SEC);
+}
+
+void test_decoding(void) {
+  LOG_TEST("test_decoding");
+  decode_suite('n', millis_from_nanos);
+  decode_suite('u', millis_from_micros);
+  decode_suite('m', millis_from_millis);
+  decode_suite('S', millis_from_seconds);
+  decode_suite('M', millis_from_minutes);
+  decode_suite('H', millis_from_hours);
+  assert_decodes_as("1000000000S", millis_from_seconds(1000 * 1000 * 1000));
+  assert_decodes_as("1000000000000000000000u", GRPC_MILLIS_INF_FUTURE);
+  assert_decodes_as("1000000001S", GRPC_MILLIS_INF_FUTURE);
+  assert_decodes_as("2000000001S", GRPC_MILLIS_INF_FUTURE);
+  assert_decodes_as("9999999999S", GRPC_MILLIS_INF_FUTURE);
+}
+
+static void assert_decoding_fails(const char* s) {
+  grpc_millis x;
+  GPR_ASSERT(0 ==
+             grpc_http2_decode_timeout(grpc_slice_from_static_string(s), &x));
+}
+
+void test_decoding_fails(void) {
+  LOG_TEST("test_decoding_fails");
+  assert_decoding_fails("");
+  assert_decoding_fails(" ");
+  assert_decoding_fails("x");
+  assert_decoding_fails("1");
+  assert_decoding_fails("1x");
+  assert_decoding_fails("1ux");
+  assert_decoding_fails("!");
+  assert_decoding_fails("n1");
+  assert_decoding_fails("-1u");
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  test_encoding();
+  test_decoding();
+  test_decoding_fails();
+  return 0;
+}