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110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
#include "../extern/ftest/ftest.h"
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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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#if __cplusplus >= 201103L // C++ 11 or later
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TEST(CPP11APITests, test_append)
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{
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string u;
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append(0x0448, u);
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EXPECT_EQ (u[0], char(0xd1));
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EXPECT_EQ (u[1], char(0x88));
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EXPECT_EQ (u.length(), 2);
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u.clear();
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append(0x65e5, u);
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EXPECT_EQ (u[0], char(0xe6));
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EXPECT_EQ (u[1], char(0x97));
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EXPECT_EQ (u[2], char(0xa5));
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EXPECT_EQ (u.length(), 3);
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u.clear();
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append(0x3044, u);
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EXPECT_EQ (u[0], char(0xe3));
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EXPECT_EQ (u[1], char(0x81));
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EXPECT_EQ (u[2], char(0x84));
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EXPECT_EQ (u.length(), 3);
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u.clear();
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append(0x10346, u);
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EXPECT_EQ (u[0], char(0xf0));
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EXPECT_EQ (u[1], char(0x90));
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EXPECT_EQ (u[2], char(0x8d));
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EXPECT_EQ (u[3], char(0x86));
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EXPECT_EQ (u.length(), 4);
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}
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TEST(CPP11APITests, test_utf16to8)
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{
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u16string utf16string = {0x41, 0x0448, 0x65e5, 0xd834, 0xdd1e};
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string u = utf16to8(utf16string);
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EXPECT_EQ (u.size(), 10);
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}
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TEST(CPP11APITests, test_utf8to16)
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{
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string utf8_with_surrogates = "\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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// Just to make sure it compiles with string literals
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utf8to16(u8"simple");
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utf8to16("simple");
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}
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TEST(CPP11APITests, test_utf32to8)
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{
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u32string utf32string = {0x448, 0x65E5, 0x10346};
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string utf8result = utf32to8(utf32string);
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EXPECT_EQ (utf8result.size(), 9);
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}
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TEST(CPP11APITests, test_utf8to32)
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{
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const char* twochars = "\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(CPP11APITests, test_find_invalid)
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{
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string utf_invalid = "\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(CPP11APITests, test_is_valid)
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{
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string utf_invalid = "\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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string utf8_with_surrogates = "\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(CPP11APITests, test_replace_invalid)
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{
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string invalid_sequence = "a\x80\xe0\xa0\xc0\xaf\xed\xa0\x80z";
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string replace_invalid_result = replace_invalid(invalid_sequence, '?');
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bool bvalid = is_valid(replace_invalid_result);
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EXPECT_TRUE (bvalid);
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const string fixed_invalid_sequence = "a????z";
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EXPECT_EQ(fixed_invalid_sequence, replace_invalid_result);
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}
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TEST(CPP11APITests, test_starts_with_bom)
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{
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string byte_order_mark = {char(0xef), char(0xbb), char(0xbf)};
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bool bbom = starts_with_bom(byte_order_mark);
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EXPECT_TRUE (bbom);
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string threechars = "\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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#endif // C++ 11 or later
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