mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:10:12 +01:00
Jon Ross-Perkins
83413479d7
This has is a nice-to-have for me. Frequently I want to run a specific test, and end up digging through output to be able to copy-paste the run line. This uses TIP lines to inject the command into the file when using AUTOUPDATE. Note, one of the reasons I want this is because "bazel test //toolchain/testing:file_test --test_output=all" has been regularly exceeding bazel's output limit for me (workaround is either opening the output file or specifying an obscure output limit flag), making it a little harder for me to get the commands. However, frequently I'm adding a file and want to iterate on it, so that's really the use case I have in mind here.
53 lines
3.2 KiB
Plaintext
53 lines
3.2 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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// 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/parse/testdata/match/fail_missing_guard_open_paren.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/parse/testdata/match/fail_missing_guard_open_paren.carbon
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fn f() -> i32 {
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match (true) {
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// CHECK:STDERR: fail_missing_guard_open_paren.carbon:[[@LINE+3]]:26: ERROR: Closing symbol without a corresponding opening symbol.
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// CHECK:STDERR: case x: bool if false) => { return 1; }
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// CHECK:STDERR: ^
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case x: bool if false) => { return 1; }
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}
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return 0;
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}
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// CHECK:STDOUT: - filename: fail_missing_guard_open_paren.carbon
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// CHECK:STDOUT: parse_tree: [
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// CHECK:STDOUT: {kind: 'FileStart', text: ''},
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// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'f'},
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// CHECK:STDOUT: {kind: 'TuplePatternStart', text: '('},
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// CHECK:STDOUT: {kind: 'TuplePattern', text: ')', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 7},
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// CHECK:STDOUT: {kind: 'MatchIntroducer', text: 'match'},
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// CHECK:STDOUT: {kind: 'MatchConditionStart', text: '('},
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// CHECK:STDOUT: {kind: 'BoolLiteralTrue', text: 'true'},
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// CHECK:STDOUT: {kind: 'MatchCondition', text: ')', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'MatchStatementStart', text: '{', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'MatchCaseIntroducer', text: 'case'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'x'},
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// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'MatchCaseGuardIntroducer', text: 'if'},
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// CHECK:STDOUT: {kind: 'MatchCaseGuardStart', text: 'false', has_error: yes},
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// CHECK:STDOUT: {kind: 'InvalidParse', text: 'false', has_error: yes},
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// CHECK:STDOUT: {kind: 'MatchCaseGuard', text: 'false', has_error: yes, subtree_size: 4},
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// CHECK:STDOUT: {kind: 'MatchCaseStart', text: 'false', has_error: yes, subtree_size: 9},
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// CHECK:STDOUT: {kind: 'MatchCase', text: 'false', has_error: yes, subtree_size: 10},
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// CHECK:STDOUT: {kind: 'MatchStatement', text: '}', subtree_size: 16},
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// CHECK:STDOUT: {kind: 'ReturnStatementStart', text: 'return'},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '0'},
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// CHECK:STDOUT: {kind: 'ReturnStatement', text: ';', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 27},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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