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Merge "Add an extra test for a POSIX iconv requirement."

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Treehugger Robot 2017-08-31 23:45:27 +00:00 committed by Gerrit Code Review
commit b20c246fc9
1 changed files with 26 additions and 0 deletions
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26
tests/iconv_test.cpp
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@ -427,3 +427,29 @@ TEST(iconv, iconv_EINVAL_utf32be_short) {
TEST(iconv, iconv_EINVAL_utf32le_short) {
Check(EINVAL, "utf32le", "\x24\x00\x00", 3); // Missing final byte.
}
TEST(iconv, iconv_initial_shift_state) {
// POSIX: "For state-dependent encodings, the conversion descriptor
// cd is placed into its initial shift state by a call for which inbuf
// is a null pointer, or for which inbuf points to a null pointer."
iconv_t c = iconv_open("utf8", "utf8");
char* in = nullptr;
size_t in_bytes = 0;
wchar_t out_buf[16];
size_t out_bytes = sizeof(out_buf);
char* out = reinterpret_cast<char*>(out_buf);
// Points to a null pointer...
errno = 0;
ASSERT_EQ(static_cast<size_t>(0), iconv(c, &in, &in_bytes, &out, &out_bytes));
EXPECT_EQ(0, errno);
EXPECT_EQ(sizeof(out_buf), out_bytes);
// Is a null pointer...
errno = 0;
ASSERT_EQ(static_cast<size_t>(0), iconv(c, nullptr, &in_bytes, &out, &out_bytes));
EXPECT_EQ(0, errno);
EXPECT_EQ(sizeof(out_buf), out_bytes);
EXPECT_EQ(0, iconv_close(c));
}