mirror of
https://github.com/carbon-language/carbon-lang.git
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Chandler Carruth
d0badecd2a
Historically, we disabled the rendered form in tests outside of `toolchain/diagnostics`. The idea was to keep tests shorter and avoid very long chains of autoupdate before stabilizing due to all the line numbers and other artifacts in the rendered form. This PR adds `--diagnostic-line-numbers=[all|first]` and defaults to `first` in tests. This keeps the rendered form so that we can easily code review that form and the visual cues it does or doesn't provide. But it removes all but the first location's line numbers to provide significantly more stability in tests. By default, tests get the full unicode line-drawing form of diagnostics so we can ensure all of the artifacts there make sense with the specific case being diagnosed, but we do retain some focused ASCII-rendering tests to ensure that fallback remains usable. There are some issues here that will be fixed in subsequent PRs. Notably, we try to keep the frame together in the check lines, and so force some parts to use the first location. This largely works, but fails in some edge cases, causing the entire frame to be located incorrectly. There is a TODO about this that we need to fix, and it only occurs 6 times across the test suite, so it didn't seem worth front-loading a fix for here. Assisted-by: Claude Code
158 lines
7.4 KiB
Plaintext
158 lines
7.4 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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// EXTRA-ARGS: --clang-arg=--std=c++20
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/basics/inline/modules.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/basics/inline/modules.carbon
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// --- fail_export_module_in_inline_cpp.carbon
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library "[[@TEST_NAME]]";
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// TODO: This diagnostic isn't very good.
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import Cpp inline '''
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// CHECK:STDERR: ╭─┤ fail_export_module_in_inline_cpp.carbon:[[@LINE+23]]:8
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// CHECK:STDERR: -> │ export module Foo;
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// CHECK:STDERR: · ━━┳━━━━━━━━
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// CHECK:STDERR: · ┗━━┫ error: module declaration must not come from an #include directive
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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// CHECK:STDERR: ╭─┤ fail_export_module_in_inline_cpp.carbon:[[@LINE+16]]:8
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// CHECK:STDERR: -> │ export module Foo;
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// CHECK:STDERR: · ┳
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// CHECK:STDERR: · ┗━━┫ error: module declaration must occur at the start of the translation
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// CHECK:STDERR: · ┃ unit
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ┆
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// CHECK:STDERR: ├─┤ <carbon Cpp imports>
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// CHECK:STDERR: │ ;
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// CHECK:STDERR: · ┬
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// CHECK:STDERR: · ╰──┤ add 'module;' to the start of the file to introduce a global module
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// CHECK:STDERR: · │ │ fragment
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// CHECK:STDERR: · │ │ [CppInteropParseNote]
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// CHECK:STDERR: · ╰────┤ insert `module; ` here [CppInteropFixItInsertion]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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export module Foo;
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''';
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// --- fail_module_in_inline_cpp.carbon
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library "[[@TEST_NAME]]";
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// TODO: This diagnostic isn't very good.
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import Cpp inline '''
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// CHECK:STDERR: ╭─┤ fail_module_in_inline_cpp.carbon:[[@LINE+30]]:1
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// CHECK:STDERR: -> │ module Bar;
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// CHECK:STDERR: · ━━━━━┳━━━━━
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// CHECK:STDERR: · ┗━━┫ error: module declaration must not come from an #include directive
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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// CHECK:STDERR: ╭─┤ fail_module_in_inline_cpp.carbon:[[@LINE+23]]:1
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// CHECK:STDERR: -> │ module Bar;
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// CHECK:STDERR: · ┳
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// CHECK:STDERR: · ┗━━┫ error: module declaration must occur at the start of the translation unit
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ┆
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// CHECK:STDERR: ├─┤ <carbon Cpp imports>
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// CHECK:STDERR: │ ;
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// CHECK:STDERR: · ┬
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// CHECK:STDERR: · ╰──┤ add 'module;' to the start of the file to introduce a global module
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// CHECK:STDERR: · │ │ fragment
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// CHECK:STDERR: · │ │ [CppInteropParseNote]
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// CHECK:STDERR: · ╰────┤ insert `module; ` here [CppInteropFixItInsertion]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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// CHECK:STDERR: ╭─┤ fail_module_in_inline_cpp.carbon:[[@LINE+8]]:8
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// CHECK:STDERR: -> │ module Bar;
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// CHECK:STDERR: · ┳━━
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// CHECK:STDERR: · ┗━━┫ error: module name 'Foo' specified on command line does not match
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// CHECK:STDERR: · ┃ name of module
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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module Bar;
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''';
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// --- fail_global_module_in_inline_cpp.carbon
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library "[[@TEST_NAME]]";
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// TODO: This diagnostic isn't very good.
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import Cpp inline '''
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// CHECK:STDERR: ╭─┤ fail_global_module_in_inline_cpp.carbon:[[@LINE+15]]:1
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// CHECK:STDERR: -> │ module;
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// CHECK:STDERR: · ━━━┳━━━
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// CHECK:STDERR: · ┗━━┫ error: module declaration must not come from an #include directive
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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// CHECK:STDERR: ╭─┤ fail_global_module_in_inline_cpp.carbon:[[@LINE+8]]:1
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// CHECK:STDERR: -> │ module;
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// CHECK:STDERR: · ┳━━━━━━
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// CHECK:STDERR: · ┗━━┫ error: 'module;' introducing a global module fragment can appear only at
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// CHECK:STDERR: · ┃ the start of the translation unit
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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module;
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int n;
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// CHECK:STDERR: ╭─┤ fail_global_module_in_inline_cpp.carbon:[[@LINE+30]]:1
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// CHECK:STDERR: -> │ module Baz;
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// CHECK:STDERR: · ━━━━━┳━━━━━
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// CHECK:STDERR: · ┗━━┫ error: module declaration must not come from an #include directive
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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// CHECK:STDERR: ╭─┤ fail_global_module_in_inline_cpp.carbon:[[@LINE+23]]:1
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// CHECK:STDERR: -> │ module Baz;
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// CHECK:STDERR: · ┳
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// CHECK:STDERR: · ┗━━┫ error: module declaration must occur at the start of the translation unit
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ┆
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// CHECK:STDERR: ├─┤ <carbon Cpp imports>
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// CHECK:STDERR: │ ;
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// CHECK:STDERR: · ┬
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// CHECK:STDERR: · ╰──┤ add 'module;' to the start of the file to introduce a global module
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// CHECK:STDERR: · │ │ fragment
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// CHECK:STDERR: · │ │ [CppInteropParseNote]
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// CHECK:STDERR: · ╰────┤ insert `module; ` here [CppInteropFixItInsertion]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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// CHECK:STDERR: ╭─┤ fail_global_module_in_inline_cpp.carbon:[[@LINE+8]]:8
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// CHECK:STDERR: -> │ module Baz;
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// CHECK:STDERR: · ┳━━
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// CHECK:STDERR: · ┗━━┫ error: module name 'Foo' specified on command line does not match
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// CHECK:STDERR: · ┃ name of module
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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module Baz;
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''';
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// --- fail_import_in_inline_cpp.carbon
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library "[[@TEST_NAME]]";
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// TODO: Also test that a valid module import works.
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import Cpp inline '''
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// CHECK:STDERR: ╭─┤ fail_import_in_inline_cpp.carbon:[[@LINE+7]]:8
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// CHECK:STDERR: -> │ import "file_that_does_not_exist.h";
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// CHECK:STDERR: · ━━━━━━━━━━━━━━┳━━━━━━━━━━━━━
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// CHECK:STDERR: · ┗━━┫ error: 'file_that_does_not_exist.h' file not found
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// CHECK:STDERR: · ┃ [CppInteropParseError]
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// CHECK:STDERR: ╰────
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// CHECK:STDERR:
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import "file_that_does_not_exist.h";
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''';
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