Source

`tests/purrc/hashlib_sys_test.cpp`

2// Original work; see ACKNOWLEDGMENTS.md for the open-source ideas we build upon.

3// System-level (whole-program) test for the `hashlib` stdlib module. Unlike the

4// per-function compile-run test (tests/purrc/hashlib_cr_test.cpp), this drives a

5// single cohesive program that hashes several inputs through the module and

6// asserts its exact stdout, exercising the function across multiple message

7// lengths in one run.

8//

9// All three are standard NIST/FIPS-180 SHA-256 test vectors:

10// "" -> the canonical empty-string digest,

11// "abc"-> the one-block vector,

12// the 56-byte message -> the two-block vector.

13//

14// Coverage — every function in stdlib/hashlib/hashlib.hpp:

15// sha256.

16#include "e2e_harness.hpp"

18TEST(StdlibE2E, Hashlib) {

19 e2e::expect_e2e("hashlib_sys", R"PURR(import io

20import hashlib

22io.print(hashlib.sha256(""))

23io.print(hashlib.sha256("abc"))

24io.print(hashlib.sha256("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"))

25io.print(hashlib.sha512(""))

26io.print(hashlib.sha512("abc"))

27# The raw digests are the same bytes the hex form spells, so their lengths are fixed.

28io.print(len(hashlib.sha256_digest("abc")), len(hashlib.sha512_digest("abc")))

29)PURR",

30 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\n"

31 "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad\n"

32 "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1\n"

33 "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce"

34 "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e\n"

35 "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"

36 "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f\n"

37 "32 64\n");

38}