Files
carbon-lang/explorer/testdata/impl/param_impl.carbon
T
Jon Ross-Perkins 129f31710d Disable autoupdate in explorer tests. (#4023)
Just replacing AUTOUPDATE with NOAUTOUPDATE, and removing the autoupdate
script. Tests will still run, but autoupdate may need to be fixed if
significant changes are made.

I noticed this while trying to autoupdate for #4007 (because we verify
that tests have been autoupdated). Autoupdate was likely broken by
#3449.

Trying to run with no changes gives:

```
CHECK failure at testing/file_test/file_test_base.cpp:801: !absl::GetFlag(FLAGS_test_targets_file).empty(): Missing --test_targets_file.
```

This is because the `file_test` rule creates a file with test inputs
that it runs with, which the prebuilt binary doesn't provide.

A local kludge to create a `file_test` target not using prebuilt_binary
showed another error:

```
: CommandLine Error: Option ': CommandLine Error: Option 'parser_debug' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
trace_phase' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
```

I'm thinking here that the explorer code hasn't been in enough use, and
we're seeing some rot as a consequence. Rather than trying to maintain
it, I'm suggesting to go with NOAUTOUPDATE.
2024-06-04 16:44:36 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// NOAUTOUPDATE
package ExplorerTest api;
interface Number {
fn Zero() -> Self;
fn Add[self: Self](other: Self) -> Self;
}
class Point(T:! Number) {
var x: T;
var y: T;
}
impl i32 as Number {
fn Zero() -> i32 { return 0; }
fn Add[self: i32](other: i32) -> i32 { return self + other; }
}
impl forall [U:! Number] Point(U) as Number {
fn Zero() -> Point(U) { return {.x = U.Zero(), .y = U.Zero() }; }
fn Add[self: Point(U)](other: Point(U)) -> Point(U) {
return {.x = self.x.Add(other.x), .y = self.y.Add(other.y)};
}
}
fn Sum[E:! Number](x: E, y: E) -> E {
var total: E = E.Zero();
total = total.Add(x);
total = total.Add(y);
return total;
}
fn Main() -> i32 {
var p: Point(i32) = {.x = 1, .y = 2};
var q: Point(i32) = {.x = 4, .y = 3};
var r: Point(i32) = Sum(p, q);
return r.x - r.y;
}
// CHECK:STDOUT: result: 0