Add deno_send tests.

1 files changed, 24 insertions, 0 deletions

diff --git a/deno2/mock_runtime_test.cc b/deno2/mock_runtime_test.cc
index 951710fb9..00651f68e 100644
--- a/deno2/mock_runtime_test.cc
+++ b/deno2/mock_runtime_test.cc
@@ -19,6 +19,30 @@ TEST(MockRuntimeTest, ErrorsCorrectly) {
   EXPECT_FALSE(deno_load(d, "a.js", "throw Error()"));
 }
 
+deno_buf strbuf(const char* str) {
+  void* d = reinterpret_cast<void*>(const_cast<char*>(str));
+  return deno_buf{d, strlen(str)};
+}
+
+TEST(MockRuntimeTest, SendSuccess) {
+  Deno* d = deno_new(NULL, NULL);
+  EXPECT_TRUE(deno_load(d, "a.js", "recvabc();"));
+  EXPECT_TRUE(deno_send(d, strbuf("abc")));
+}
+
+TEST(MockRuntimeTest, SendByteLength) {
+  Deno* d = deno_new(NULL, NULL);
+  EXPECT_TRUE(deno_load(d, "a.js", "recvabc();"));
+  // We send the wrong sized message, it should throw.
+  EXPECT_FALSE(deno_send(d, strbuf("abcd")));
+}
+
+TEST(MockRuntimeTest, SendNoCallback) {
+  Deno* d = deno_new(NULL, NULL);
+  // We didn't call deno_recv(), sending should fail.
+  EXPECT_FALSE(deno_send(d, strbuf("abc")));
+}
+
 int main(int argc, char** argv) {
   testing::InitGoogleTest(&argc, argv);
   deno_init();