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C API: Require initialized value from primop definition

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This commit is contained in:
Robert Hensing 2024-05-23 18:31:20 +02:00
parent a942a34469
commit 8884227045
2 changed files with 37 additions and 0 deletions
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31
tests/unit/libexpr/nix_api_expr.cc
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@ -226,4 +226,35 @@ TEST_F(nix_api_expr_test, nix_expr_primop)
ASSERT_EQ(9, r);
}
static void
primop_bad_no_return(void * user_data, nix_c_context * context, EvalState * state, Value ** args, Value * ret)
{
}
TEST_F(nix_api_expr_test, nix_expr_primop_bad_no_return)
{
PrimOp * primop =
nix_alloc_primop(ctx, primop_bad_no_return, 1, "badNoReturn", nullptr, "a broken primop", nullptr);
assert_ctx_ok();
Value * primopValue = nix_alloc_value(ctx, state);
assert_ctx_ok();
nix_init_primop(ctx, primopValue, primop);
assert_ctx_ok();
Value * three = nix_alloc_value(ctx, state);
assert_ctx_ok();
nix_init_int(ctx, three, 3);
assert_ctx_ok();
Value * result = nix_alloc_value(ctx, state);
assert_ctx_ok();
nix_value_call(ctx, state, primopValue, three, result);
ASSERT_EQ(ctx->last_err_code, NIX_ERR_NIX_ERROR);
ASSERT_THAT(
ctx->last_err,
testing::Optional(
testing::HasSubstr("Implementation error in custom function: return value was not initialized")));
ASSERT_THAT(ctx->last_err, testing::Optional(testing::HasSubstr("badNoReturn")));
}
} // namespace nixC