95 lines
2.6 KiB
Rust
95 lines
2.6 KiB
Rust
// run-rustfix
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#![warn(clippy::expect_fun_call)]
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/// Checks implementation of the `EXPECT_FUN_CALL` lint
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fn main() {
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struct Foo;
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impl Foo {
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fn new() -> Self {
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Foo
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}
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fn expect(&self, msg: &str) {
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panic!("{}", msg)
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}
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}
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let with_some = Some("value");
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with_some.expect("error");
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let with_none: Option<i32> = None;
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with_none.expect("error");
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let error_code = 123_i32;
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let with_none_and_format: Option<i32> = None;
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with_none_and_format.unwrap_or_else(|| panic!("Error {}: fake error", error_code));
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let with_none_and_as_str: Option<i32> = None;
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with_none_and_as_str.unwrap_or_else(|| panic!("Error {}: fake error", error_code));
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let with_ok: Result<(), ()> = Ok(());
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with_ok.expect("error");
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let with_err: Result<(), ()> = Err(());
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with_err.expect("error");
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let error_code = 123_i32;
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let with_err_and_format: Result<(), ()> = Err(());
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with_err_and_format.unwrap_or_else(|_| panic!("Error {}: fake error", error_code));
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let with_err_and_as_str: Result<(), ()> = Err(());
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with_err_and_as_str.unwrap_or_else(|_| panic!("Error {}: fake error", error_code));
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let with_dummy_type = Foo::new();
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with_dummy_type.expect("another test string");
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let with_dummy_type_and_format = Foo::new();
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with_dummy_type_and_format.expect(&format!("Error {}: fake error", error_code));
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let with_dummy_type_and_as_str = Foo::new();
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with_dummy_type_and_as_str.expect(format!("Error {}: fake error", error_code).as_str());
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//Issue #2937
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Some("foo").unwrap_or_else(|| panic!("{} {}", 1, 2));
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//Issue #2979 - this should not lint
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{
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let msg = "bar";
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Some("foo").expect(msg);
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}
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{
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fn get_string() -> String {
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"foo".to_string()
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}
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fn get_static_str() -> &'static str {
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"foo"
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}
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fn get_non_static_str(_: &u32) -> &str {
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"foo"
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}
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Some("foo").unwrap_or_else(|| { panic!("{}", get_string()) });
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Some("foo").unwrap_or_else(|| { panic!("{}", get_string()) });
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Some("foo").unwrap_or_else(|| { panic!("{}", get_string()) });
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Some("foo").unwrap_or_else(|| { panic!("{}", get_static_str()) });
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Some("foo").unwrap_or_else(|| { panic!("{}", get_non_static_str(&0).to_string()) });
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}
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//Issue #3839
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Some(true).unwrap_or_else(|| panic!("key {}, {}", 1, 2));
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//Issue #4912 - the receiver is a &Option
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{
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let opt = Some(1);
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let opt_ref = &opt;
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opt_ref.unwrap_or_else(|| panic!("{:?}", opt_ref));
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}
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}
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