1 files changed, 322 insertions, 0 deletions
diff --git a/core/libdeno/libdeno_test.cc b/core/libdeno/libdeno_test.cc
new file mode 100644
index 000000000..a72793944
--- /dev/null
+++ b/core/libdeno/libdeno_test.cc
@@ -0,0 +1,322 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+#include "test.h"
+
+TEST(LibDenoTest, InitializesCorrectly) {
+  EXPECT_NE(snapshot.data_ptr, nullptr);
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "1 + 2");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, Snapshotter) {
+  Deno* d1 = deno_new(deno_config{1, empty_snapshot, empty, nullptr, nullptr});
+  deno_execute(d1, nullptr, "a.js", "a = 1 + 2");
+  EXPECT_EQ(nullptr, deno_last_exception(d1));
+  deno_snapshot test_snapshot = deno_snapshot_new(d1);
+  deno_delete(d1);
+
+  Deno* d2 = deno_new(deno_config{0, test_snapshot, empty, nullptr, nullptr});
+  deno_execute(d2, nullptr, "b.js", "if (a != 3) throw Error('x');");
+  EXPECT_EQ(nullptr, deno_last_exception(d2));
+  deno_delete(d2);
+
+  deno_snapshot_delete(test_snapshot);
+}
+
+TEST(LibDenoTest, CanCallFunction) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_lock(d);
+  deno_execute(d, nullptr, "a.js",
+               "if (CanCallFunction() != 'foo') throw Error();");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_unlock(d);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, ErrorsCorrectly) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "throw Error()");
+  EXPECT_NE(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+void assert_null(deno_pinned_buf b) {
+  EXPECT_EQ(b.data_ptr, nullptr);
+  EXPECT_EQ(b.data_len, 0u);
+  EXPECT_EQ(b.pin, nullptr);
+}
+
+TEST(LibDenoTest, RecvReturnEmpty) {
+  static int count = 0;
+  auto recv_cb = [](auto _, deno_op_id op_id, auto buf, auto zero_copy_buf) {
+    EXPECT_EQ(op_id, 42u);
+    assert_null(zero_copy_buf);
+    count++;
+    EXPECT_EQ(static_cast<size_t>(3), buf.data_len);
+    EXPECT_EQ(buf.data_ptr[0], 'a');
+    EXPECT_EQ(buf.data_ptr[1], 'b');
+    EXPECT_EQ(buf.data_ptr[2], 'c');
+  };
+  Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
+  deno_execute(d, nullptr, "a.js", "RecvReturnEmpty()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(count, 2);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, BasicRecv) {
+  static int count = 0;
+  auto recv_cb = [](auto user_data, deno_op_id op_id, auto buf,
+                    auto zero_copy_buf) {
+    EXPECT_EQ(op_id, 42u);
+    // auto d = reinterpret_cast<Deno*>(user_data);
+    assert_null(zero_copy_buf);
+    count++;
+    EXPECT_EQ(static_cast<size_t>(3), buf.data_len);
+    EXPECT_EQ(buf.data_ptr[0], 1);
+    EXPECT_EQ(buf.data_ptr[1], 2);
+    EXPECT_EQ(buf.data_ptr[2], 3);
+  };
+  Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
+  deno_execute(d, d, "a.js", "BasicRecv()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(count, 1);
+  deno_check_promise_errors(d);
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  {
+    deno_lock(d);
+    uint8_t response[] = {'b', 'a', 'r'};
+    deno_respond(d, nullptr, 43, {response, sizeof response});
+    deno_unlock(d);
+  }
+  EXPECT_EQ(count, 2);
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_check_promise_errors(d);
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, RecvReturnBar) {
+  static int count = 0;
+  auto recv_cb = [](auto user_data, deno_op_id op_id, auto buf,
+                    auto zero_copy_buf) {
+    EXPECT_EQ(op_id, 42u);
+    auto d = reinterpret_cast<Deno*>(user_data);
+    assert_null(zero_copy_buf);
+    count++;
+    EXPECT_EQ(static_cast<size_t>(3), buf.data_len);
+    EXPECT_EQ(buf.data_ptr[0], 'a');
+    EXPECT_EQ(buf.data_ptr[1], 'b');
+    EXPECT_EQ(buf.data_ptr[2], 'c');
+    uint8_t response[] = {'b', 'a', 'r'};
+    deno_respond(d, user_data, op_id, {response, sizeof response});
+  };
+  Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
+  deno_execute(d, d, "a.js", "RecvReturnBar()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(count, 1);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, DoubleRecvFails) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "DoubleRecvFails()");
+  EXPECT_NE(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, TypedArraySnapshots) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "TypedArraySnapshots()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, SnapshotBug) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "SnapshotBug()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, GlobalErrorHandling) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "GlobalErrorHandling()");
+  std::string expected =
+      "{\"message\":\"Uncaught ReferenceError: notdefined is not defined\","
+      "\"sourceLine\":\" "
+      "notdefined()\",\"scriptResourceName\":\"helloworld.js\","
+      "\"lineNumber\":3,\"startPosition\":3,\"endPosition\":4,\"errorLevel\":8,"
+      "\"startColumn\":1,\"endColumn\":2,\"isSharedCrossOrigin\":false,"
+      "\"isOpaque\":false,\"frames\":[{\"line\":3,\"column\":2,"
+      "\"functionName\":\"eval\",\"scriptName\":\"helloworld.js\",\"isEval\":"
+      "true,"
+      "\"isConstructor\":false,\"isWasm\":false},";
+  std::string actual(deno_last_exception(d), 0, expected.length());
+  EXPECT_STREQ(expected.c_str(), actual.c_str());
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, ZeroCopyBuf) {
+  static int count = 0;
+  static deno_pinned_buf zero_copy_buf2;
+  auto recv_cb = [](auto user_data, deno_op_id op_id, deno_buf buf,
+                    deno_pinned_buf zero_copy_buf) {
+    EXPECT_EQ(op_id, 42u);
+    count++;
+    EXPECT_NE(zero_copy_buf.pin, nullptr);
+    zero_copy_buf.data_ptr[0] = 4;
+    zero_copy_buf.data_ptr[1] = 2;
+    zero_copy_buf2 = zero_copy_buf;
+    EXPECT_EQ(2u, buf.data_len);
+    EXPECT_EQ(2u, zero_copy_buf.data_len);
+    EXPECT_EQ(buf.data_ptr[0], 1);
+    EXPECT_EQ(buf.data_ptr[1], 2);
+    // Note zero_copy_buf won't actually be freed here because in
+    // libdeno_test.js zeroCopyBuf is a rooted global. We just want to exercise
+    // the API here.
+    deno_pinned_buf_delete(&zero_copy_buf);
+  };
+  Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
+  deno_execute(d, d, "a.js", "ZeroCopyBuf()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(count, 1);
+  // zero_copy_buf was subsequently changed in JS, let's check that our copy
+  // reflects that.
+  EXPECT_EQ(zero_copy_buf2.data_ptr[0], 9);
+  EXPECT_EQ(zero_copy_buf2.data_ptr[1], 8);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, CheckPromiseErrors) {
+  static int count = 0;
+  auto recv_cb = [](auto _, deno_op_id op_id, auto buf, auto zero_copy_buf) {
+    count++;
+  };
+  Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  deno_execute(d, nullptr, "a.js", "CheckPromiseErrors()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(count, 1);
+  // We caught the exception. So still no errors after calling
+  // deno_check_promise_errors().
+  deno_check_promise_errors(d);
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, LastException) {
+  Deno* d = deno_new(deno_config{0, empty_snapshot, empty, nullptr, nullptr});
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  deno_execute(d, nullptr, "a.js", "\n\nthrow Error('boo');\n\n");
+  EXPECT_STREQ(deno_last_exception(d),
+               "{\"message\":\"Uncaught Error: boo\",\"sourceLine\":\"throw "
+               "Error('boo');\",\"scriptResourceName\":\"a.js\",\"lineNumber\":"
+               "3,\"startPosition\":8,\"endPosition\":9,\"errorLevel\":8,"
+               "\"startColumn\":6,\"endColumn\":7,\"isSharedCrossOrigin\":"
+               "false,\"isOpaque\":false,\"frames\":[{\"line\":3,\"column\":7,"
+               "\"scriptName\":\"a.js\",\"isEval\":false,"
+               "\"isConstructor\":false,\"isWasm\":false}]}");
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, EncodeErrorBug) {
+  Deno* d = deno_new(deno_config{0, empty_snapshot, empty, nullptr, nullptr});
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  deno_execute(d, nullptr, "a.js", "eval('a')");
+  EXPECT_STREQ(
+      deno_last_exception(d),
+      "{\"message\":\"Uncaught ReferenceError: a is not "
+      "defined\",\"sourceLine\":\"a\",\"lineNumber\":1,\"startPosition\":0,"
+      "\"endPosition\":1,\"errorLevel\":8,\"startColumn\":0,\"endColumn\":1,"
+      "\"isSharedCrossOrigin\":false,\"isOpaque\":false,\"frames\":[{\"line\":"
+      "1,\"column\":1,\"functionName\":\"eval\",\"scriptName\":\"<unknown>\","
+      "\"isEval\":true,\"isConstructor\":false,\"isWasm\":false},{\"line\":1,"
+      "\"column\":1,\"scriptName\":\"a.js\",\"isEval\":"
+      "false,\"isConstructor\":false,\"isWasm\":false}]}");
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, Shared) {
+  uint8_t s[] = {0, 1, 2};
+  deno_buf shared = {s, sizeof s};
+  Deno* d = deno_new(deno_config{0, snapshot, shared, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "Shared()");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(s[0], 42);
+  EXPECT_EQ(s[1], 43);
+  EXPECT_EQ(s[2], 44);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, Utf8Bug) {
+  Deno* d = deno_new(deno_config{0, empty_snapshot, empty, nullptr, nullptr});
+  // The following is a valid UTF-8 javascript which just defines a string
+  // literal. We had a bug where libdeno would choke on this.
+  deno_execute(d, nullptr, "a.js", "x = \"\xEF\xBF\xBD\"");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, LibDenoEvalContext) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "LibDenoEvalContext();");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, LibDenoEvalContextError) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "LibDenoEvalContextError();");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, LibDenoEvalContextInvalidArgument) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "LibDenoEvalContextInvalidArgument();");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, LibDenoPrintInvalidArgument) {
+  Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js", "LibDenoPrintInvalidArgument();");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, SharedAtomics) {
+  int32_t s[] = {0, 1, 2};
+  deno_buf shared = {reinterpret_cast<uint8_t*>(s), sizeof s};
+  Deno* d = deno_new(deno_config{0, empty_snapshot, shared, nullptr, nullptr});
+  deno_execute(d, nullptr, "a.js",
+               "Atomics.add(new Int32Array(Deno.core.shared), 0, 1)");
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  EXPECT_EQ(s[0], 1);
+  EXPECT_EQ(s[1], 1);
+  EXPECT_EQ(s[2], 2);
+  deno_delete(d);
+}
+
+TEST(LibDenoTest, WasmInstantiate) {
+  static int count = 0;
+  auto recv_cb = [](auto _, deno_op_id op_id, auto buf, auto zero_copy_buf) {
+    EXPECT_EQ(op_id, 42u);
+    EXPECT_EQ(buf.data_len, 1u);
+    EXPECT_EQ(buf.data_ptr[0], 42);
+    count++;
+  };
+  Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  deno_execute(d, nullptr, "a.js", "WasmInstantiate()");
+
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+  deno_check_promise_errors(d);
+  EXPECT_EQ(nullptr, deno_last_exception(d));
+
+  EXPECT_EQ(count, 3);
+
+  deno_delete(d);
+}