mirror of
https://github.com/fluencelabs/assemblyscript
synced 2025-04-26 15:32:16 +00:00
31 lines
915 B
TypeScript
31 lines
915 B
TypeScript
/// <reference path="../../../std/assembly/rt/index.d.ts" />
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var str = "𐐷hi𤭢"; // -> f0 90 90 b7 68 69 f0 a4 ad a2 00
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var len = str.lengthUTF8;
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assert(len == 11);
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var ptr = str.toUTF8(); // toUTF8 is zero-terminated
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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) == 0);
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assert(String.fromUTF8(ptr, 0) == ""); // fromUTF8 is not zero-terminated
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assert(String.fromUTF8(ptr, len - 1) == str);
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assert(String.fromUTF8(ptr, 4) == "𐐷");
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assert(String.fromUTF8(ptr + 4, 2) == "hi");
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assert(String.fromUTF8(ptr + 6, 4) == "𤭢");
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assert(String.fromUTF8(ptr + 10, 1) == "\0");
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__free(ptr);
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