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carbon-lang/toolchain/check/testdata/impl/no_prelude/impl_self_as.carbon
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David BlaikieandJon Ross-Perkins e6c1f0630a Add a newline after diagnostic output when testing (#4818) 
This removes some churn when adding new diagnostic cases to test files
(where previous to this change the newly added newline would cause the
previous diagnostic CHECKs to be updated including changes to the line
number because the CHECK for the blank line meant an extra line between
CHECK and source line).

A few alternatives discussed here:
https://discord.com/channels/655572317891461132/655578254970716160/1329573358475673723

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2025-01-16 23:23:57 +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
//
// EXTRA-ARGS: --no-dump-sem-ir
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/no_prelude/impl_self_as.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/no_prelude/impl_self_as.carbon
// --- match.carbon
library "[[@TEST_NAME]]";
interface I1 {}
interface I2 {}
interface J1(T1:! type) {}
interface J2(T2:! type) {}
// `impl Self as` should match `impl as`, so these should not trigger impl
// declaration without definition diagnostics.
class C1 {
impl Self as I1;
impl as I1 {}
impl as I2;
impl Self as I2 {}
impl forall [U:! type] Self as J1(U);
impl forall [U:! type] as J1(U) {}
impl forall [V:! type] as J2(V);
impl forall [V:! type] Self as J2(V) {}
}
class C2(W:! type) {
impl Self as I1;
impl as I1 {}
impl as I2;
impl Self as I2 {}
impl forall [X:! type] Self as J1(X);
impl forall [X:! type] as J1(X) {}
impl forall [Y:! type] as J2(Y);
impl forall [Y:! type] Self as J2(Y) {}
}
// --- fail_no_match.carbon
library "[[@TEST_NAME]]";
interface I3 {}
interface I4 {}
interface I5 {}
interface I6 {}
interface J3(T3:! type) {}
interface J4(T4:! type) {}
interface J5(T5:! type) {}
interface J6(T6:! type) {}
// `impl C as` should not match `impl Self as` or `impl as`.
class C3 {
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl C3 as I3;
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR:
impl C3 as I3;
impl as I3 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl C3 as I4;
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR:
impl C3 as I4;
impl Self as I4 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl as I5;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
impl as I5;
impl C3 as I5 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl Self as I6;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl Self as I6;
impl C3 as I6 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [Z3:! type] C3 as J3(Z3);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [Z3:! type] C3 as J3(Z3);
impl forall [Z3:! type] as J3(Z3) {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [Z4:! type] C3 as J4(Z4);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [Z4:! type] C3 as J4(Z4);
impl forall [Z4:! type] Self as J4(Z4) {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [Z5:! type] as J5(Z5);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [Z5:! type] as J5(Z5);
impl forall [Z5:! type] C3 as J5(Z5) {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [Z6:! type] Self as J6(Z6);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [Z6:! type] Self as J6(Z6);
impl forall [Z6:! type] C3 as J6(Z6) {}
}
class C4(A:! type) {
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl C4(A) as I3;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl C4(A) as I3;
impl as I3 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl C4(A) as I4;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl C4(A) as I4;
impl Self as I4 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl as I5;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
impl as I5;
impl C4(A) as I5 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl Self as I6;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl Self as I6;
impl C4(A) as I6 {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [B3:! type] C4(A) as J3(B3);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [B3:! type] C4(A) as J3(B3);
impl forall [B3:! type] as J3(B3) {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [B4:! type] C4(A) as J4(B4);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [B4:! type] C4(A) as J4(B4);
impl forall [B4:! type] Self as J4(B4) {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [B5:! type] as J5(B5);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [B5:! type] as J5(B5);
impl forall [B5:! type] C4(A) as J5(B5) {}
// CHECK:STDERR: fail_no_match.carbon:[[@LINE+4]]:3: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl forall [B6:! type] Self as J6(B6);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [B6:! type] Self as J6(B6);
impl forall [B6:! type] C4(A) as J6(B6) {}
}
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