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// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////
use super::*;
use crate::{cbor::value::Value, util::expect_err};
use alloc::{borrow::ToOwned, boxed::Box, vec};
#[test]
fn test_cbor_type_error() {
let cases = vec![
(Value::Null, "nul"),
(Value::Bool(true), "bool"),
(Value::Bool(false), "bool"),
(Value::from(128), "int"),
(Value::from(-1), "int"),
(Value::Bytes(vec![1, 2]), "bstr"),
(Value::Text("string".to_owned()), "tstr"),
(Value::Array(vec![Value::from(0)]), "array"),
(Value::Map(vec![]), "map"),
(Value::Tag(1, Box::new(Value::from(0))), "tag"),
(Value::Float(1.054571817), "float"),
];
for (val, want) in cases {
let e = cbor_type_error::<()>(&val, "a");
expect_err(e, want);
}
}
#[test]
#[should_panic]
fn test_expect_err_but_ok() {
let result: Result<i32, crate::CoseError> = Ok(42);
expect_err(result, "absent text");
}
#[test]
#[should_panic]
fn test_expect_err_wrong_msg() {
let err = cbor_type_error::<()>(&Value::Bool(true), "a");
expect_err(err, "incorrect text");
}
#[test]
#[should_panic]
fn test_expect_err_wrong_display_msg() {
// Error type where `Debug` shows the message but `Display` doesn't
#[allow(dead_code)]
#[derive(Debug)]
struct Error(&'static str);
impl core::fmt::Display for Error {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "other")
}
}
let err: Result<i32, Error> = Err(Error("text"));
// The expected text appears in the `Debug` output but not the `Display` output.
expect_err(err, "text");
}
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