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authorKane York <kanepyork@gmail.com>2020-07-31T23·28-0700
committerkanepyork <rikingcoding@gmail.com>2020-08-01T00·09+0000
commit2a292c71f40f3592e33534ee6d63eb2ca5221d5e (patch)
tree7ec97ce14612333702eb81b35f35a41750bde544 /third_party/nix/src/tests
parentf41324db8c6e40a23ac4575bf2b0f11ca38a9b65 (diff)
fix(3p/nix/hash): initialize HashSink.ctx r/1514
Fixup for CL 1492 (addcba11b05500ba28ade309de6bd53f8153a6c4)

Additionally, add a test to verify functionality of HashSink.

Change-Id: I2a74b925a1b93ed4d3add29021d759c93e813424
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1507
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>
Diffstat (limited to 'third_party/nix/src/tests')
-rw-r--r--third_party/nix/src/tests/hash_test.cc18
1 files changed, 18 insertions, 0 deletions
diff --git a/third_party/nix/src/tests/hash_test.cc b/third_party/nix/src/tests/hash_test.cc
index ea10e7b700b1..caa77f5d6b15 100644
--- a/third_party/nix/src/tests/hash_test.cc
+++ b/third_party/nix/src/tests/hash_test.cc
@@ -80,4 +80,22 @@ TEST(HashTest, SHA256DecodeFail) {
       HasSubstr("invalid base-16"));
 }
 
+TEST(HashSink, SHA256) {
+  HashSink sink(htSHA256);
+
+  sink.write(reinterpret_cast<const unsigned char*>("fo"), 2);
+  HashResult partial = sink.currentHash();
+  EXPECT_EQ(partial.first.to_string(Base16),
+            "sha256:"
+            "9c3aee7110b787f0fb5f81633a36392bd277ea945d44c874a9a23601aefe20cf");
+  EXPECT_EQ(partial.second, 2);
+
+  sink.write(reinterpret_cast<const unsigned char*>("o"), 1);
+  HashResult end = sink.finish();
+  EXPECT_EQ(end.first.to_string(Base16),
+            "sha256:"
+            "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae");
+  EXPECT_EQ(end.second, 3);
+}
+
 }  // namespace nix