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denoland-deno/libdeno/libdeno_test.cc
Ryan Dahl 0501330607 Add libdeno.shared global shared ArrayBuffer.
2018-10-24 14:52:38 -07:00

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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(snapshot, empty, nullptr);
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "1 + 2"));
deno_delete(d);
}
TEST(LibDenoTest, InitializesCorrectlyWithoutSnapshot) {
Deno* d = deno_new(empty, empty, nullptr);
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "1 + 2"));
deno_delete(d);
}
TEST(LibDenoTest, Snapshotter) {
Deno* d1 = deno_new_snapshotter(empty, nullptr, "a.js", "a = 1 + 2", nullptr);
deno_buf test_snapshot = deno_get_snapshot(d1);
// TODO(ry) deno_delete(d1);
Deno* d2 = deno_new(test_snapshot, empty, nullptr);
EXPECT_TRUE(
deno_execute(d2, nullptr, "b.js", "if (a != 3) throw Error('x');"));
deno_delete(d2);
}
TEST(LibDenoTest, CanCallFunction) {
Deno* d = deno_new(snapshot, empty, nullptr);
EXPECT_TRUE(deno_execute(d, nullptr, "a.js",
"if (CanCallFunction() != 'foo') throw Error();"));
deno_delete(d);
}
TEST(LibDenoTest, ErrorsCorrectly) {
Deno* d = deno_new(snapshot, empty, 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;
Deno* d = deno_new(snapshot, empty,
[](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');
});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "RecvReturnEmpty()"));
EXPECT_EQ(count, 2);
deno_delete(d);
}
TEST(LibDenoTest, RecvReturnBar) {
static int count = 0;
Deno* d = deno_new(snapshot, empty,
[](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"));
});
EXPECT_TRUE(deno_execute(d, d, "a.js", "RecvReturnBar()"));
EXPECT_EQ(count, 1);
deno_delete(d);
}
TEST(LibDenoTest, DoubleRecvFails) {
Deno* d = deno_new(snapshot, empty, nullptr);
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "DoubleRecvFails()"));
deno_delete(d);
}
TEST(LibDenoTest, SendRecvSlice) {
static int count = 0;
Deno* d = deno_new(
snapshot, empty, [](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);
});
EXPECT_TRUE(deno_execute(d, d, "a.js", "SendRecvSlice()"));
EXPECT_EQ(count, 5);
deno_delete(d);
}
TEST(LibDenoTest, JSSendArrayBufferViewTypes) {
static int count = 0;
Deno* d = deno_new(snapshot, empty,
[](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);
});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "JSSendArrayBufferViewTypes()"));
EXPECT_EQ(count, 3);
deno_delete(d);
}
TEST(LibDenoTest, TypedArraySnapshots) {
Deno* d = deno_new(snapshot, empty, nullptr);
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "TypedArraySnapshots()"));
deno_delete(d);
}
TEST(LibDenoTest, SnapshotBug) {
Deno* d = deno_new(snapshot, empty, nullptr);
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "SnapshotBug()"));
deno_delete(d);
}
TEST(LibDenoTest, GlobalErrorHandling) {
static int count = 0;
Deno* d = deno_new(snapshot, empty,
[](auto _, int req_id, auto buf, auto data_buf) {
assert_null(data_buf);
count++;
EXPECT_EQ(static_cast<size_t>(1), buf.data_len);
EXPECT_EQ(buf.data_ptr[0], 42);
});
EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "GlobalErrorHandling()"));
EXPECT_EQ(count, 1);
deno_delete(d);
}
TEST(LibDenoTest, DoubleGlobalErrorHandlingFails) {
Deno* d = deno_new(snapshot, empty, nullptr);
EXPECT_FALSE(
deno_execute(d, nullptr, "a.js", "DoubleGlobalErrorHandlingFails()"));
deno_delete(d);
}
TEST(LibDenoTest, DataBuf) {
static int count = 0;
static deno_buf data_buf_copy;
Deno* d = deno_new(snapshot, empty,
[](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);
});
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, PromiseRejectCatchHandling) {
static int count = 0;
Deno* d = deno_new(snapshot, empty,
[](auto _, int req_id, auto buf, auto data_buf) {
// If no error, nothing should be sent, and count should
// not increment
count++;
});
EXPECT_TRUE(deno_execute(d, nullptr, "a.js", "PromiseRejectCatchHandling()"));
EXPECT_EQ(count, 0);
deno_delete(d);
}
TEST(LibDenoTest, Shared) {
uint8_t s[] = {0, 1, 2};
deno_buf shared = {nullptr, 0, s, 3};
Deno* d = deno_new(snapshot, shared, 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);
}
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