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Cleaner assert_eq! & assert_ne! panic messages #111071

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Aug 16, 2023
Merged

Cleaner assert_eq! & assert_ne! panic messages #111071

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14 changes: 6 additions & 8 deletions library/core/src/panicking.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -267,16 +267,14 @@ fn assert_failed_inner(

match args {
Some(args) => panic!(
r#"assertion failed: `(left {} right)`
left: `{:?}`,
right: `{:?}`: {}"#,
op, left, right, args
r#"assertion `left {op} right` failed: {args}
left: {left:?}
right: {right:?}"#
),
None => panic!(
r#"assertion failed: `(left {} right)`
left: `{:?}`,
right: `{:?}`"#,
op, left, right,
r#"assertion `left {op} right` failed
left: {left:?}
right: {right:?}"#
),
}
}
6 changes: 3 additions & 3 deletions tests/ui/macros/assert-eq-macro-msg.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// run-fail
// error-pattern:assertion failed: `(left == right)`
// error-pattern: left: `2`
// error-pattern:right: `3`: 1 + 1 definitely should be 3
// error-pattern:assertion `left == right` failed: 1 + 1 definitely should be 3
// error-pattern: left: 2
// error-pattern: right: 3
// ignore-emscripten no processes

fn main() {
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6 changes: 3 additions & 3 deletions tests/ui/macros/assert-eq-macro-panic.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// run-fail
// error-pattern:assertion failed: `(left == right)`
// error-pattern: left: `14`
// error-pattern:right: `15`
// error-pattern:assertion `left == right` failed
// error-pattern: left: 14
// error-pattern: right: 15
// ignore-emscripten no processes

fn main() {
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6 changes: 3 additions & 3 deletions tests/ui/macros/assert-matches-macro-msg.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// run-fail
// error-pattern:assertion failed: `(left matches right)`
// error-pattern: left: `2`
// error-pattern:right: `3`: 1 + 1 definitely should be 3
// error-pattern:assertion `left matches right` failed: 1 + 1 definitely should be 3
// error-pattern: left: 2
// error-pattern: right: 3
// ignore-emscripten no processes

#![feature(assert_matches)]
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6 changes: 3 additions & 3 deletions tests/ui/macros/assert-ne-macro-msg.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// run-fail
// error-pattern:assertion failed: `(left != right)`
// error-pattern: left: `2`
// error-pattern:right: `2`: 1 + 1 definitely should not be 2
// error-pattern:assertion `left != right` failed: 1 + 1 definitely should not be 2
// error-pattern: left: 2
// error-pattern: right: 2
// ignore-emscripten no processes

fn main() {
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6 changes: 3 additions & 3 deletions tests/ui/macros/assert-ne-macro-panic.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// run-fail
// error-pattern:assertion failed: `(left != right)`
// error-pattern: left: `14`
// error-pattern:right: `14`
// error-pattern:assertion `left != right` failed
// error-pattern: left: 14
// error-pattern: right: 14
// ignore-emscripten no processes

fn main() {
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12 changes: 6 additions & 6 deletions tests/ui/test-attrs/test-panic-abort-nocapture.run.stderr
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Original file line number Diff line number Diff line change
@@ -1,11 +1,11 @@
thread 'main' panicked at $DIR/test-panic-abort-nocapture.rs:33:5:
assertion failed: `(left == right)`
left: `2`,
right: `4`
assertion `left == right` failed
left: 2
right: 4
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread 'main' panicked at $DIR/test-panic-abort-nocapture.rs:27:5:
assertion failed: `(left == right)`
left: `2`,
right: `4`
assertion `left == right` failed
left: 2
right: 4
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
testing321
6 changes: 3 additions & 3 deletions tests/ui/test-attrs/test-panic-abort.run.stdout
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Expand Up @@ -18,9 +18,9 @@ testing123
---- it_fails stderr ----
testing321
thread 'main' panicked at $DIR/test-panic-abort.rs:38:5:
assertion failed: `(left == right)`
left: `2`,
right: `5`
assertion `left == right` failed
left: 2
right: 5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


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