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78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
#include "../extern/ftest/ftest.h"
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#define UTF_CPP_CPLUSPLUS 202002L
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#include "utf8.h"
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#include <string>
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using namespace utf8;
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using namespace std;
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TEST(CPP20APITests, test_utf16tou8)
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{
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u16string utf16string = {0x41, 0x0448, 0x65e5, 0xd834, 0xdd1e};
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u16string_view utf16stringview{utf16string};
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u8string u = utf16tou8(utf16string);
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EXPECT_EQ (u.size(), 10);
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u = utf16tou8(utf16stringview);
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EXPECT_EQ (u.size(), 10);
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}
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TEST(CPP20APITests, tes20t_utf8to16)
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{
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u8string utf8_with_surrogates{u8"\xe6\x97\xa5\xd1\x88\xf0\x9d\x84\x9e"};
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u16string utf16result = utf8to16(utf8_with_surrogates);
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EXPECT_EQ (utf16result.size(), 4);
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EXPECT_EQ (utf16result[2], 0xd834);
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EXPECT_EQ (utf16result[3], 0xdd1e);
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}
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TEST(CPP20APITests, test_utf32tou8)
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{
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u32string utf32string = {0x448, 0x65E5, 0x10346};
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u32string_view utf32stringview{utf32string};
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u8string utf8result = utf32tou8(utf32stringview);
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EXPECT_EQ (utf8result.size(), 9);
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}
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TEST(CPP20APITests, test_utf8to32)
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{
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u8string twochars = u8"\xe6\x97\xa5\xd1\x88";
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u32string utf32result = utf8to32(twochars);
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EXPECT_EQ (utf32result.size(), 2);
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}
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TEST(CPP20APITests, test_find_invalid)
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{
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u8string utf_invalid = u8"\xe6\x97\xa5\xd1\x88\xfa";
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auto invalid = find_invalid(utf_invalid);
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EXPECT_EQ (invalid, 5);
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}
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TEST(CPP20APITests, test_is_valid)
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{
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u8string utf_invalid = u8"\xe6\x97\xa5\xd1\x88\xfa";
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bool bvalid = is_valid(utf_invalid);
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EXPECT_FALSE (bvalid);
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u8string utf8_with_surrogates = u8"\xe6\x97\xa5\xd1\x88\xf0\x9d\x84\x9e";
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bvalid = is_valid(utf8_with_surrogates);
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EXPECT_TRUE (bvalid);
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}
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TEST(CPP20APITests, test_replace_invalid)
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{
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u8string invalid_sequence = u8"a\x80\xe0\xa0\xc0\xaf\xed\xa0\x80z";
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u8string replace_invalid_result = replace_invalid(invalid_sequence, u8'?');
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bool bvalid = is_valid(replace_invalid_result);
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EXPECT_TRUE (bvalid);
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const u8string fixed_invalid_sequence = u8"a????z";
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EXPECT_EQ(fixed_invalid_sequence, replace_invalid_result);
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}
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TEST(CPP20APITests, test_starts_with_bom)
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{
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u8string byte_order_mark = u8"\xef\xbb\xbf";
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bool bbom = starts_with_bom(byte_order_mark);
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EXPECT_TRUE (bbom);
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u8string threechars = u8"\xf0\x90\x8d\x86\xe6\x97\xa5\xd1\x88";
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bool no_bbom = starts_with_bom(threechars);
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EXPECT_FALSE (no_bbom);
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}
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