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5d3696174b
Utf8View wraps a StringView and implements begin() and end() that return a Utf8CodepointIterator, which parses UTF-8-encoded Unicode codepoints and returns them as 32-bit integers. This is the first step towards supporting emojis in Serenity ^) https://github.com/SerenityOS/serenity/issues/490
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#include <AK/TestSuite.h>
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#include <AK/Utf8View.h>
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TEST_CASE(decode_ascii)
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{
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Utf8View utf8 { "Hello World!11" };
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EXPECT(utf8.validate());
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u32 expected[] = { 72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33, 49, 49 };
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size_t expected_size = sizeof(expected) / sizeof(expected[0]);
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size_t i = 0;
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for (u32 codepoint : utf8) {
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ASSERT(i < expected_size);
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EXPECT_EQ(codepoint, expected[i]);
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i++;
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}
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EXPECT_EQ(i, expected_size);
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}
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TEST_CASE(decode_utf8)
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{
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Utf8View utf8 { "Привет, мир! 😀 γειά σου κόσμος こんにちは世界" };
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EXPECT(utf8.validate());
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u32 expected[] = { 1055, 1088, 1080, 1074, 1077, 1090, 44, 32, 1084, 1080, 1088, 33, 32, 128512, 32, 947, 949, 953, 940, 32, 963, 959, 965, 32, 954, 972, 963, 956, 959, 962, 32, 12371, 12435, 12395, 12385, 12399, 19990, 30028 };
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size_t expected_size = sizeof(expected) / sizeof(expected[0]);
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size_t i = 0;
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for (u32 codepoint : utf8) {
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ASSERT(i < expected_size);
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EXPECT_EQ(codepoint, expected[i]);
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i++;
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}
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EXPECT_EQ(i, expected_size);
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}
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TEST_CASE(validate_invalid_ut8)
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{
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char invalid_utf8_1[] = { 42, 35, (char)182, 9, 0 };
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Utf8View utf8_1 { invalid_utf8_1 };
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EXPECT(!utf8_1.validate());
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char invalid_utf8_2[] = { 42, 35, (char)208, (char)208, 0 };
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Utf8View utf8_2 { invalid_utf8_2 };
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EXPECT(!utf8_2.validate());
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char invalid_utf8_3[] = { (char)208, 0 };
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Utf8View utf8_3 { invalid_utf8_3 };
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EXPECT(!utf8_3.validate());
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char invalid_utf8_4[] = { (char)208, 35, 0 };
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Utf8View utf8_4 { invalid_utf8_4 };
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EXPECT(!utf8_4.validate());
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}
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TEST_MAIN(UTF8)
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