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234 lines
6.6 KiB
C++
234 lines
6.6 KiB
C++
#ifndef UTF8_FOR_CPP_TEST_CHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
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#define UTF8_FOR_CPP_TEST_CHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
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#include "utf8.h"
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#include <string>
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#include <vector>
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using namespace utf8;
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using namespace std;
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TEST(CheckedAPITests, test_append)
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{
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unsigned char u[5] = {0,0,0,0,0};
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append(0x0448, u);
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EXPECT_EQ (u[0], 0xd1);
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EXPECT_EQ (u[1], 0x88);
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EXPECT_EQ (u[2], 0);
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EXPECT_EQ (u[3], 0);
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EXPECT_EQ (u[4], 0);
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append(0x65e5, u);
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EXPECT_EQ (u[0], 0xe6);
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EXPECT_EQ (u[1], 0x97);
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EXPECT_EQ (u[2], 0xa5);
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EXPECT_EQ (u[3], 0);
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EXPECT_EQ (u[4], 0);
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append(0x3044, u);
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EXPECT_EQ (u[0], 0xe3);
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EXPECT_EQ (u[1], 0x81);
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EXPECT_EQ (u[2], 0x84);
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EXPECT_EQ (u[3], 0);
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EXPECT_EQ (u[4], 0);
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append(0x10346, u);
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EXPECT_EQ (u[0], 0xf0);
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EXPECT_EQ (u[1], 0x90);
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EXPECT_EQ (u[2], 0x8d);
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EXPECT_EQ (u[3], 0x86);
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EXPECT_EQ (u[4], 0);
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// Ensure no warnings with plain char
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char c[2] = {0,0};
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append('a', c);
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EXPECT_EQ (c[0], 'a');
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EXPECT_EQ (c[1], 0);
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}
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TEST(CheckedAPITests, test_append16)
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{
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utfchar16_t u[5] = {0,0};
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append16(0x0448, u);
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EXPECT_EQ (u[0], 0x0448);
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EXPECT_EQ (u[1], 0x0000);
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append16(0x65e5, u);
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EXPECT_EQ (u[0], 0x65e5);
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EXPECT_EQ (u[1], 0x0000);
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append16(0x10346, u);
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EXPECT_EQ (u[0], 0xd800);
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EXPECT_EQ (u[1], 0xdf46);
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}
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TEST(CheckedAPITests, test_next)
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{
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const char* twochars = "\xe6\x97\xa5\xd1\x88";
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const char* w = twochars;
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unsigned int cp = next(w, twochars + 6);
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EXPECT_EQ (cp, 0x65e5);
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EXPECT_EQ (w, twochars + 3);
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const char* threechars = "\xf0\x90\x8d\x86\xe6\x97\xa5\xd1\x88";
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w = threechars;
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cp = next(w, threechars + 9);
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EXPECT_EQ (cp, 0x10346);
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EXPECT_EQ (w, threechars + 4);
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cp = next(w, threechars + 9);
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EXPECT_EQ (cp, 0x65e5);
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EXPECT_EQ (w, threechars + 7);
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cp = next(w, threechars + 9);
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EXPECT_EQ (cp, 0x0448);
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EXPECT_EQ (w, threechars + 9);
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}
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TEST(CheckedAPITests, test_next16)
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{
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const utfchar16_t u[3] = {0x65e5, 0xd800, 0xdf46};
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const utfchar16_t* w = u;
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utf8::utfchar32_t cp = next16(w, w + 3);
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EXPECT_EQ (cp, 0x65e5);
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EXPECT_EQ (w, u + 1);
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cp = next16(w, w + 2);
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EXPECT_EQ (cp, 0x10346);
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EXPECT_EQ (w, u + 3);
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}
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TEST(CheckedAPITests, test_peek_next)
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{
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const char* const cw = "\xe6\x97\xa5\xd1\x88";
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unsigned int cp = peek_next(cw, cw + 6);
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EXPECT_EQ (cp, 0x65e5);
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}
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TEST(CheckedAPITests, test_prior)
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{
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const char* twochars = "\xe6\x97\xa5\xd1\x88";
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const char* w = twochars + 3;
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unsigned int cp = prior (w, twochars);
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EXPECT_EQ (cp, 0x65e5);
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EXPECT_EQ (w, twochars);
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const char* threechars = "\xf0\x90\x8d\x86\xe6\x97\xa5\xd1\x88";
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w = threechars + 9;
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cp = prior(w, threechars);
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EXPECT_EQ (cp, 0x0448);
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EXPECT_EQ (w, threechars + 7);
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cp = prior(w, threechars);
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EXPECT_EQ (cp, 0x65e5);
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EXPECT_EQ (w, threechars + 4);
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cp = prior(w, threechars);
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EXPECT_EQ (cp, 0x10346);
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EXPECT_EQ (w, threechars);
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}
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TEST(CheckedAPITests, test_advance)
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{
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const char* threechars = "\xf0\x90\x8d\x86\xe6\x97\xa5\xd1\x88";
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const char* w = threechars;
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advance(w, 2, threechars + 9);
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EXPECT_EQ(w, threechars + 7);
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advance(w, -2, threechars);
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EXPECT_EQ(w, threechars);
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advance(w, 3, threechars + 9);
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EXPECT_EQ(w, threechars + 9);
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advance(w, -2, threechars);
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EXPECT_EQ(w, threechars + 4);
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advance(w, -1, threechars);
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EXPECT_EQ(w, threechars);
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}
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TEST(CheckedAPITests, test_distance)
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{
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const char* twochars = "\xe6\x97\xa5\xd1\x88";
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size_t dist = static_cast<size_t>(utf8::distance(twochars, twochars + 5));
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EXPECT_EQ (dist, 2);
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}
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TEST(CheckedAPITests, test_utf32to8)
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{
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unsigned int utf32string[] = {0x448, 0x65E5, 0x10346, 0};
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string utf8result;
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utf32to8(utf32string, utf32string + 3, back_inserter(utf8result));
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EXPECT_EQ (utf8result.size(), 9);
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}
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TEST(CheckedAPITests, test_utf8to32)
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{
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const char* twochars = "\xe6\x97\xa5\xd1\x88";
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vector<unsigned int> utf32result;
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utf8to32(twochars, twochars + 5, back_inserter(utf32result));
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EXPECT_EQ (utf32result.size(), 2);
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}
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TEST(CheckedAPITests, test_utf16to8)
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{
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unsigned short utf16string[] = {0x41, 0x0448, 0x65e5, 0xd834, 0xdd1e};
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string utf8result;
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utf16to8(utf16string, utf16string + 5, back_inserter(utf8result));
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EXPECT_EQ (utf8result.size(), 10);
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}
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TEST(CheckedAPITests, test_utf8to16)
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{
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char utf8_with_surrogates[] = "\xe6\x97\xa5\xd1\x88\xf0\x9d\x84\x9e";
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vector <unsigned short> utf16result;
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utf8to16(utf8_with_surrogates, utf8_with_surrogates + 9, back_inserter(utf16result));
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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(CheckedAPITests, test_replace_invalid)
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{
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char invalid_sequence[] = "a\x80\xe0\xa0\xc0\xaf\xed\xa0\x80z";
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vector<char> replace_invalid_result;
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replace_invalid (invalid_sequence, invalid_sequence + sizeof(invalid_sequence), std::back_inserter(replace_invalid_result), '?');
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bool bvalid = is_valid(replace_invalid_result.begin(), replace_invalid_result.end());
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EXPECT_TRUE (bvalid);
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const char fixed_invalid_sequence[] = "a????z";
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EXPECT_EQ (sizeof(fixed_invalid_sequence), replace_invalid_result.size());
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EXPECT_TRUE (std::equal(replace_invalid_result.begin(), replace_invalid_result.begin() + sizeof(fixed_invalid_sequence), fixed_invalid_sequence));
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}
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TEST(CheckedAPITests, test_find_invalid)
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{
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char utf_invalid[] = "\xe6\x97\xa5\xd1\x88\xfa";
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const char* invalid = find_invalid(utf_invalid, utf_invalid + 6);
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EXPECT_EQ (invalid, utf_invalid + 5);
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invalid = find_invalid(utf_invalid);
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EXPECT_EQ (invalid, utf_invalid + 5);
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}
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TEST(CheckedAPITests, test_is_valid)
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{
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char utf_invalid[] = "\xe6\x97\xa5\xd1\x88\xfa";
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bool bvalid = is_valid(utf_invalid, utf_invalid + 6);
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EXPECT_FALSE (bvalid);
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bvalid = is_valid(utf_invalid);
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EXPECT_FALSE (bvalid);
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char utf8_with_surrogates[] = "\xe6\x97\xa5\xd1\x88\xf0\x9d\x84\x9e";
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bvalid = is_valid(utf8_with_surrogates, utf8_with_surrogates + 9);
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EXPECT_TRUE (bvalid);
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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(CheckedAPITests, test_starts_with_bom)
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{
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unsigned char byte_order_mark[] = {0xef, 0xbb, 0xbf};
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bool bbom = starts_with_bom(byte_order_mark, byte_order_mark + sizeof(byte_order_mark));
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EXPECT_TRUE (bbom);
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const char* threechars = "\xf0\x90\x8d\x86\xe6\x97\xa5\xd1\x88";
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bool no_bbom = starts_with_bom(threechars, threechars + sizeof(threechars));
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EXPECT_FALSE (no_bbom);
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}
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#endif
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