mirror of
https://github.com/fluencelabs/assemblyscript
synced 2025-04-29 08:52:15 +00:00
74 lines
2.1 KiB
TypeScript
74 lines
2.1 KiB
TypeScript
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import "allocator/arena";
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var str = "𐐷hi𤭢"; // -> f0 90 90 b7 68 69 f0 a4 ad a2 [00]
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function testUTF8Length(): void {
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assert(UTF8.length(str) == 10);
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assert(UTF8.length(str, true) == 11);
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}
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testUTF8Length();
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function testUTF8Encode(): void {
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var buf = UTF8.encode(str);
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var ptr = changetype<usize>(buf);
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assert(buf.byteLength == 10);
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assert(load<u8>(ptr, 0) == 0xf0);
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assert(load<u8>(ptr, 1) == 0x90);
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assert(load<u8>(ptr, 2) == 0x90);
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assert(load<u8>(ptr, 3) == 0xb7);
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assert(load<u8>(ptr, 4) == 0x68);
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assert(load<u8>(ptr, 5) == 0x69);
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assert(load<u8>(ptr, 6) == 0xf0);
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assert(load<u8>(ptr, 7) == 0xa4);
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assert(load<u8>(ptr, 8) == 0xad);
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assert(load<u8>(ptr, 9) == 0xa2);
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}
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testUTF8Encode();
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function testUTF8EncodeDelimited(): void {
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var buf = UTF8.encode(str, true);
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var ptr = changetype<usize>(buf);
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assert(buf.byteLength == 11);
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assert(load<u8>(ptr, 0) == 0xf0);
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assert(load<u8>(ptr, 1) == 0x90);
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assert(load<u8>(ptr, 2) == 0x90);
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assert(load<u8>(ptr, 3) == 0xb7);
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assert(load<u8>(ptr, 4) == 0x68);
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assert(load<u8>(ptr, 5) == 0x69);
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assert(load<u8>(ptr, 6) == 0xf0);
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assert(load<u8>(ptr, 7) == 0xa4);
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assert(load<u8>(ptr, 8) == 0xad);
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assert(load<u8>(ptr, 9) == 0xa2);
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assert(load<u8>(ptr, 10) == 0x00);
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}
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testUTF8EncodeDelimited();
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function testUTF8Decode(): void {
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var buf = UTF8.encode(str);
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assert(UTF8.decode(buf) == str);
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}
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testUTF8Decode();
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function testUTF8DecodeDelimited(): void {
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var buf = UTF8.encode(str, true);
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assert(UTF8.decode(buf, true) == str);
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}
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testUTF8DecodeDelimited();
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function testUTF8Raw(): void {
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var buf = changetype<usize>(UTF8.encode(str));
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assert(UTF8.decodeRaw(buf, 0) == "");
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assert(UTF8.decodeRaw(buf, UTF8.length(str)) == str);
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assert(UTF8.decodeRaw(buf, 4) == "𐐷");
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assert(UTF8.decodeRaw(buf + 4, 2) == "hi");
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assert(UTF8.decodeRaw(buf + 6, 4) == "𤭢");
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assert(UTF8.decodeRaw(buf + 10, 0) == "");
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store<u8>(buf, 0, 10); // don't try this at home
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assert(UTF8.decodeRawDelimited(buf + 4) == "hi𤭢");
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assert(UTF8.decodeRawDelimited(buf + 6) == "𤭢");
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assert(UTF8.decodeRawDelimited(buf + 10) == "");
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}
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testUTF8Raw();
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