for (int i = 0; i < 20; i++) {
str[i] = 0x0800; // char that is 2B in UTF-16 but 3B in UTF-8
}
str[19] = (jchar) '\0';
// The resulting string in UTF-8 is 3*19 bytes long, but should be truncated
stamp(res, sizeof(res));
UNICODE::as_utf8(str, 19, res, 10);
ASSERT_EQ(strlen(res), (size_t) 9) << "string should be truncated here";
ASSERT_TRUE(test_stamp(res + 10, sizeof(res) - 10));
// Test with an "unbounded" buffer
UNICODE::as_utf8(str, 19, res, INT_MAX);
ASSERT_EQ(strlen(res), (size_t) 3 * 19) << "string should end here";
// Test that we do not overflow the output buffer for (int i = 1; i < 5; i ++) {
stamp(res, sizeof(res));
UNICODE::as_utf8(str, 19, res, i);
EXPECT_TRUE(test_stamp(res + i, sizeof(res) - i));
}
UNICODE::as_utf8(str, 19, res, INT_MAX);
ASSERT_EQ(strlen(res), (size_t) 19) << "string should end here";
// Test that we do not overflow the output buffer for (int i = 1; i < 5; i ++) {
stamp(res, sizeof(res));
UNICODE::as_utf8(str, 19, res, i);
EXPECT_TRUE(test_stamp(res + i, sizeof(res) - i));
}
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