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https://github.com/carbon-language/carbon-lang.git
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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.
39 lines
2.3 KiB
Plaintext
39 lines
2.3 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/struct/fail_dot_string_equals.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/struct/fail_dot_string_equals.carbon
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// CHECK:STDERR: fail_dot_string_equals.carbon:[[@LINE+3]]:10: ERROR: Expected identifier after `.`.
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// CHECK:STDERR: var x: {."hello" = 0, .y = 4} = {};
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// CHECK:STDERR: ^~~~~~~
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var x: {."hello" = 0, .y = 4} = {};
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// CHECK:STDOUT: - filename: fail_dot_string_equals.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: 'VariableIntroducer', text: 'var'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'x'},
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// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: '"hello"', has_error: yes},
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// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '0'},
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// CHECK:STDOUT: {kind: 'InvalidParse', text: '=', has_error: yes},
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// CHECK:STDOUT: {kind: 'StructComma', text: ','},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'y'},
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// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '4'},
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// CHECK:STDOUT: {kind: 'StructField', text: '=', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', has_error: yes, subtree_size: 11},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 13},
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// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
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// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
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// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 18},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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