|
| 1 | +#include "gtest/gtest.h" |
| 2 | +#include "node.h" |
| 3 | +#include "node_test_fixture.h" |
| 4 | +#include "string_bytes.h" |
| 5 | +#include "util-inl.h" |
| 6 | + |
| 7 | +using node::MaybeStackBuffer; |
| 8 | +using node::StringBytes; |
| 9 | +using v8::HandleScope; |
| 10 | +using v8::Local; |
| 11 | +using v8::Maybe; |
| 12 | +using v8::String; |
| 13 | + |
| 14 | +class StringBytesTest : public EnvironmentTestFixture {}; |
| 15 | + |
| 16 | +// Data "Hello, ÆÊÎÖÿ" |
| 17 | +static const char latin1_data[] = "Hello, \xC6\xCA\xCE\xD6\xFF"; |
| 18 | +static const char utf8_data[] = "Hello, ÆÊÎÖÿ"; |
| 19 | + |
| 20 | +TEST_F(StringBytesTest, WriteLatin1WithOneByteString) { |
| 21 | + const HandleScope handle_scope(isolate_); |
| 22 | + const Argv argv; |
| 23 | + Env env_{handle_scope, argv}; |
| 24 | + |
| 25 | + Local<String> one_byte_str = |
| 26 | + String::NewFromOneByte(isolate_, |
| 27 | + reinterpret_cast<const uint8_t*>(latin1_data)) |
| 28 | + .ToLocalChecked(); |
| 29 | + |
| 30 | + Maybe<size_t> size_maybe = |
| 31 | + StringBytes::StorageSize(isolate_, one_byte_str, node::LATIN1); |
| 32 | + |
| 33 | + ASSERT_TRUE(size_maybe.IsJust()); |
| 34 | + size_t size = size_maybe.FromJust(); |
| 35 | + ASSERT_EQ(size, 12u); |
| 36 | + |
| 37 | + MaybeStackBuffer<char> buf; |
| 38 | + size_t written = StringBytes::Write( |
| 39 | + isolate_, buf.out(), buf.capacity(), one_byte_str, node::LATIN1); |
| 40 | + ASSERT_EQ(written, 12u); |
| 41 | + |
| 42 | + // Null-terminate the buffer and compare the contents. |
| 43 | + buf.SetLength(13); |
| 44 | + buf[12] = '\0'; |
| 45 | + ASSERT_STREQ(latin1_data, buf.out()); |
| 46 | +} |
| 47 | + |
| 48 | +TEST_F(StringBytesTest, WriteLatin1WithUtf8String) { |
| 49 | + const HandleScope handle_scope(isolate_); |
| 50 | + const Argv argv; |
| 51 | + Env env_{handle_scope, argv}; |
| 52 | + |
| 53 | + Local<String> utf8_str = |
| 54 | + String::NewFromUtf8(isolate_, utf8_data).ToLocalChecked(); |
| 55 | + |
| 56 | + Maybe<size_t> size_maybe = |
| 57 | + StringBytes::StorageSize(isolate_, utf8_str, node::LATIN1); |
| 58 | + |
| 59 | + ASSERT_TRUE(size_maybe.IsJust()); |
| 60 | + size_t size = size_maybe.FromJust(); |
| 61 | + ASSERT_EQ(size, 12u); |
| 62 | + |
| 63 | + MaybeStackBuffer<char> buf; |
| 64 | + size_t written = StringBytes::Write( |
| 65 | + isolate_, buf.out(), buf.capacity(), utf8_str, node::LATIN1); |
| 66 | + ASSERT_EQ(written, 12u); |
| 67 | + |
| 68 | + // Null-terminate the buffer and compare the contents. |
| 69 | + buf.SetLength(13); |
| 70 | + buf[12] = '\0'; |
| 71 | + ASSERT_STREQ(latin1_data, buf.out()); |
| 72 | +} |
| 73 | + |
| 74 | +// Verify that StringBytes::Write converts two-byte characters to one-byte |
| 75 | +// characters, even if there is no valid one-byte representation. |
| 76 | +TEST_F(StringBytesTest, WriteLatin1WithInvalidChar) { |
| 77 | + const HandleScope handle_scope(isolate_); |
| 78 | + const Argv argv; |
| 79 | + Env env_{handle_scope, argv}; |
| 80 | + |
| 81 | + Local<String> utf8_str = |
| 82 | + String::NewFromUtf8(isolate_, "Hello, 世界").ToLocalChecked(); |
| 83 | + |
| 84 | + Maybe<size_t> size_maybe = |
| 85 | + StringBytes::StorageSize(isolate_, utf8_str, node::LATIN1); |
| 86 | + |
| 87 | + ASSERT_TRUE(size_maybe.IsJust()); |
| 88 | + size_t size = size_maybe.FromJust(); |
| 89 | + ASSERT_EQ(size, 9u); |
| 90 | + |
| 91 | + MaybeStackBuffer<char> buf; |
| 92 | + size_t written = StringBytes::Write( |
| 93 | + isolate_, buf.out(), buf.capacity(), utf8_str, node::LATIN1); |
| 94 | + ASSERT_EQ(written, 9u); |
| 95 | + |
| 96 | + // Null-terminate the buffer and compare the contents. |
| 97 | + buf.SetLength(10); |
| 98 | + buf[9] = '\0'; |
| 99 | + ASSERT_STREQ("Hello, \x16\x4C", buf.out()); |
| 100 | +} |
0 commit comments