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libdeno_test.cc
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libdeno_test.cc
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// Copyright 2018 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});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "1 + 2"));
deno_delete(d);
}
TEST(LibDenoTest, Snapshotter) {
Deno* d1 = deno_new(deno_config{1, empty, empty, nullptr, nullptr});
EXPECT_TRUE(deno_execute(d1, nullptr, "a.js", "a = 1 + 2"));
deno_buf test_snapshot = deno_get_snapshot(d1);
deno_delete(d1);
Deno* d2 = deno_new(deno_config{0, test_snapshot, empty, nullptr, nullptr});
EXPECT_TRUE(
deno_execute(d2, nullptr, "b.js", "if (a != 3) throw Error('x');"));
deno_delete(d2);
delete[] test_snapshot.data_ptr;
}
TEST(LibDenoTest, CanCallFunction) {
Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js",
"if (CanCallFunction() != 'foo') throw Error();"));
deno_delete(d);
}
TEST(LibDenoTest, ErrorsCorrectly) {
Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "throw Error()"));
deno_delete(d);
}
deno_buf strbuf(const char* str) {
auto len = strlen(str);
deno_buf buf;
buf.alloc_ptr = reinterpret_cast<uint8_t*>(strdup(str));
buf.alloc_len = len + 1;
buf.data_ptr = buf.alloc_ptr;
buf.data_len = len;
return buf;
}
// Same as strbuf but with null alloc_ptr.
deno_buf StrBufNullAllocPtr(const char* str) {
auto len = strlen(str);
deno_buf buf;
buf.alloc_ptr = nullptr;
buf.alloc_len = 0;
buf.data_ptr = reinterpret_cast<uint8_t*>(strdup(str));
buf.data_len = len;
return buf;
}
void assert_null(deno_buf b) {
EXPECT_EQ(b.alloc_ptr, nullptr);
EXPECT_EQ(b.alloc_len, 0u);
EXPECT_EQ(b.data_ptr, nullptr);
EXPECT_EQ(b.data_len, 0u);
}
TEST(LibDenoTest, RecvReturnEmpty) {
static int count = 0;
auto recv_cb = [](auto _, int req_id, auto buf, auto data_buf) {
assert_null(data_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});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "RecvReturnEmpty()"));
EXPECT_EQ(count, 2);
deno_delete(d);
}
TEST(LibDenoTest, RecvReturnBar) {
static int count = 0;
auto recv_cb = [](auto user_data, int req_id, auto buf, auto data_buf) {
auto d = reinterpret_cast<Deno*>(user_data);
assert_null(data_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_respond(d, user_data, req_id, strbuf("bar"));
};
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
EXPECT_TRUE(deno_execute(d, d, "a.js", "RecvReturnBar()"));
EXPECT_EQ(count, 1);
deno_delete(d);
}
TEST(LibDenoTest, DoubleRecvFails) {
Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "DoubleRecvFails()"));
deno_delete(d);
}
TEST(LibDenoTest, SendRecvSlice) {
static int count = 0;
auto recv_cb = [](auto user_data, int req_id, auto buf, auto data_buf) {
auto d = reinterpret_cast<Deno*>(user_data);
assert_null(data_buf);
static const size_t alloc_len = 1024;
size_t i = count++;
// Check the size and offset of the slice.
size_t data_offset = buf.data_ptr - buf.alloc_ptr;
EXPECT_EQ(data_offset, i * 11);
EXPECT_EQ(buf.data_len, alloc_len - i * 30);
EXPECT_EQ(buf.alloc_len, alloc_len);
// Check values written by the JS side.
EXPECT_EQ(buf.data_ptr[0], 100 + i);
EXPECT_EQ(buf.data_ptr[buf.data_len - 1], 100 - i);
// Make copy of the backing buffer -- this is currently necessary
// because deno_respond() takes ownership over the buffer, but we are
// not given ownership of `buf` by our caller.
uint8_t* alloc_ptr = reinterpret_cast<uint8_t*>(malloc(alloc_len));
memcpy(alloc_ptr, buf.alloc_ptr, alloc_len);
// Make a slice that is a bit shorter than the original.
deno_buf buf2{alloc_ptr, alloc_len, alloc_ptr + data_offset,
buf.data_len - 19};
// Place some values into the buffer for the JS side to verify.
buf2.data_ptr[0] = 200 + i;
buf2.data_ptr[buf2.data_len - 1] = 200 - i;
// Send back.
deno_respond(d, user_data, req_id, buf2);
};
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
EXPECT_TRUE(deno_execute(d, d, "a.js", "SendRecvSlice()"));
EXPECT_EQ(count, 5);
deno_delete(d);
}
TEST(LibDenoTest, JSSendArrayBufferViewTypes) {
static int count = 0;
auto recv_cb = [](auto _, int req_id, auto buf, auto data_buf) {
assert_null(data_buf);
count++;
size_t data_offset = buf.data_ptr - buf.alloc_ptr;
EXPECT_EQ(data_offset, 2468u);
EXPECT_EQ(buf.data_len, 1000u);
EXPECT_EQ(buf.alloc_len, 4321u);
EXPECT_EQ(buf.data_ptr[0], count);
};
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "JSSendArrayBufferViewTypes()"));
EXPECT_EQ(count, 3);
deno_delete(d);
}
TEST(LibDenoTest, TypedArraySnapshots) {
Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "TypedArraySnapshots()"));
deno_delete(d);
}
TEST(LibDenoTest, SnapshotBug) {
Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "SnapshotBug()"));
deno_delete(d);
}
TEST(LibDenoTest, GlobalErrorHandling) {
Deno* d = deno_new(deno_config{0, snapshot, empty, nullptr, nullptr});
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "GlobalErrorHandling()"));
std::string expected =
"{\"message\":\"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\":\"\",\"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, DataBuf) {
static int count = 0;
static deno_buf data_buf_copy;
auto recv_cb = [](auto _, int req_id, deno_buf buf, deno_buf data_buf) {
count++;
data_buf.data_ptr[0] = 4;
data_buf.data_ptr[1] = 2;
data_buf_copy = data_buf;
EXPECT_EQ(2u, buf.data_len);
EXPECT_EQ(2u, data_buf.data_len);
EXPECT_EQ(buf.data_ptr[0], 1);
EXPECT_EQ(buf.data_ptr[1], 2);
};
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "DataBuf()"));
EXPECT_EQ(count, 1);
// data_buf was subsequently changed in JS, let's check that our copy reflects
// that.
EXPECT_EQ(data_buf_copy.data_ptr[0], 9);
EXPECT_EQ(data_buf_copy.data_ptr[1], 8);
deno_delete(d);
}
TEST(LibDenoTest, CheckPromiseErrors) {
static int count = 0;
auto recv_cb = [](auto _, int req_id, auto buf, auto data_buf) { count++; };
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, nullptr});
EXPECT_EQ(deno_last_exception(d), nullptr);
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "CheckPromiseErrors()"));
EXPECT_EQ(deno_last_exception(d), nullptr);
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, empty, nullptr, nullptr});
EXPECT_EQ(deno_last_exception(d), nullptr);
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "\n\nthrow Error('boo');\n\n"));
EXPECT_STREQ(deno_last_exception(d),
"{\"message\":\"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,"
"\"functionName\":\"\",\"scriptName\":\"a.js\",\"isEval\":false,"
"\"isConstructor\":false,\"isWasm\":false}]}");
deno_delete(d);
}
TEST(LibDenoTest, EncodeErrorBug) {
Deno* d = deno_new(deno_config{0, empty, empty, nullptr, nullptr});
EXPECT_EQ(deno_last_exception(d), nullptr);
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "eval('a')"));
EXPECT_STREQ(
deno_last_exception(d),
"{\"message\":\"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\":\"\",\"scriptName\":\"<unknown>\","
"\"isEval\":true,\"isConstructor\":false,\"isWasm\":false},{\"line\":1,"
"\"column\":1,\"functionName\":\"\",\"scriptName\":\"a.js\",\"isEval\":"
"false,\"isConstructor\":false,\"isWasm\":false}]}");
deno_delete(d);
}
TEST(LibDenoTest, Shared) {
uint8_t s[] = {0, 1, 2};
deno_buf shared = {nullptr, 0, s, 3};
Deno* d = deno_new(deno_config{0, snapshot, shared, nullptr, nullptr});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "Shared()"));
EXPECT_EQ(s[0], 42);
EXPECT_EQ(s[1], 43);
EXPECT_EQ(s[2], 44);
deno_delete(d);
}
static const char* mod_a =
"import { retb } from 'b.js'\n"
"if (retb() != 'b') throw Error();";
static const char* mod_b = "export function retb() { return 'b' }";
TEST(LibDenoTest, ModuleResolution) {
static int count = 0;
auto resolve_cb = [](void* user_data, const char* specifier,
const char* referrer) {
EXPECT_STREQ(specifier, "b.js");
EXPECT_STREQ(referrer, "a.js");
count++;
auto d = reinterpret_cast<Deno*>(user_data);
deno_resolve_ok(d, "b.js", mod_b);
};
Deno* d = deno_new(deno_config{0, empty, empty, nullptr, resolve_cb});
EXPECT_TRUE(deno_execute_mod(d, d, "a.js", mod_a));
EXPECT_EQ(count, 1);
deno_delete(d);
}
TEST(LibDenoTest, ModuleResolutionFail) {
static int count = 0;
auto resolve_cb = [](void* user_data, const char* specifier,
const char* referrer) {
EXPECT_STREQ(specifier, "b.js");
EXPECT_STREQ(referrer, "a.js");
count++;
// Do not call deno_resolve_ok();
};
Deno* d = deno_new(deno_config{0, empty, empty, nullptr, resolve_cb});
EXPECT_FALSE(deno_execute_mod(d, d, "a.js", mod_a));
EXPECT_EQ(count, 1);
deno_delete(d);
}
TEST(LibDenoTest, ModuleSnapshot) {
Deno* d1 = deno_new(deno_config{1, empty, empty, nullptr, nullptr});
EXPECT_TRUE(deno_execute_mod(d1, nullptr, "x.js",
"const globalEval = eval\n"
"const global = globalEval('this')\n"
"global.a = 1 + 2"));
deno_buf test_snapshot = deno_get_snapshot(d1);
deno_delete(d1);
const char* y_src = "if (a != 3) throw Error('x');";
deno_config config{0, test_snapshot, empty, nullptr, nullptr};
Deno* d2 = deno_new(config);
EXPECT_TRUE(deno_execute(d2, nullptr, "y.js", y_src));
deno_delete(d2);
Deno* d3 = deno_new(config);
EXPECT_TRUE(deno_execute_mod(d3, nullptr, "y.js", y_src));
deno_delete(d3);
delete[] test_snapshot.data_ptr;
}
TEST(LibDenoTest, BuiltinModules) {
static int count = 0;
auto resolve_cb = [](void* user_data, const char* specifier,
const char* referrer) {
EXPECT_STREQ(specifier, "b.js");
EXPECT_STREQ(referrer, "c.js");
count++;
auto d = reinterpret_cast<Deno*>(user_data);
deno_resolve_ok(d, "b.js", mod_b);
};
Deno* d = deno_new(deno_config{0, empty, empty, nullptr, resolve_cb});
EXPECT_TRUE(deno_execute(
d, d, "setup.js", "libdeno.builtinModules['deno'] = { foo: 'bar' }; \n"));
EXPECT_EQ(count, 0);
EXPECT_TRUE(
deno_execute_mod(d, d, "c.js",
"import { retb } from 'b.js'\n"
"import * as deno from 'deno'\n"
"if (retb() != 'b') throw Error('retb');\n"
// " libdeno.print('deno ' + JSON.stringify(deno));\n"
"if (deno.foo != 'bar') throw Error('foo');\n"));
EXPECT_EQ(count, 1);
deno_delete(d);
}