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9fefef162fbac04a19ccaf913544bd8b80cd2b83
carbon-lang/toolchain/lex/testdata/numeric_literals.carbon
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Jon Ross-Perkins 9fefef162f Add tests to catch untested diagnostics. (#4426) 
Use the diagnostic kind printing in #4425 to catch when we have
diagnostics with no tests.

This merges a couple other use-cases of filegroup manifests into a
common rule.

Note I do add a few tests for things, and also some things are
_actually_ unit tested (just not in the file_test structure). But I
stopped when I realized that dealing with merge conflicts is going to be
a pain. I might end up reverting test changes (as part of merge conflict
resolution) and doing narrow test additions in a separate PR, after both
this and #4425 are merged.
2024-10-21 20:16:18 +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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lex/testdata/numeric_literals.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lex/testdata/numeric_literals.carbon
// --- valid.carbon
// CHECK:STDOUT: - filename: valid.carbon
// CHECK:STDOUT: tokens: [
// CHECK:STDOUT: { index: 0, kind: 'FileStart', line: {{ *\d+}}, column: 1, indent: 1, spelling: '' },
fn F() {
// CHECK:STDOUT: { index: 1, kind: 'Fn', line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: 'fn', has_leading_space: true },
// CHECK:STDOUT: { index: 2, kind: 'Identifier', line: {{ *}}[[@LINE-2]], column: 4, indent: 1, spelling: 'F', identifier: 0, has_leading_space: true },
// CHECK:STDOUT: { index: 3, kind: 'OpenParen', line: {{ *}}[[@LINE-3]], column: 5, indent: 1, spelling: '(', closing_token: 4 },
// CHECK:STDOUT: { index: 4, kind: 'CloseParen', line: {{ *}}[[@LINE-4]], column: 6, indent: 1, spelling: ')', opening_token: 3 },
// CHECK:STDOUT: { index: 5, kind: 'OpenCurlyBrace', line: {{ *}}[[@LINE-5]], column: 8, indent: 1, spelling: '{', closing_token: 54, has_leading_space: true },
// 8 and 9 trigger special behavior in APInt when mishandling signed versus
// unsigned, so we pay extra attention to those.
var ints: [i32; 5] = (
// CHECK:STDOUT: { index: 6, kind: 'Var', line: {{ *}}[[@LINE-1]], column: 3, indent: 3, spelling: 'var', has_leading_space: true },
// CHECK:STDOUT: { index: 7, kind: 'Identifier', line: {{ *}}[[@LINE-2]], column: 7, indent: 3, spelling: 'ints', identifier: 1, has_leading_space: true },
// CHECK:STDOUT: { index: 8, kind: 'Colon', line: {{ *}}[[@LINE-3]], column: 11, indent: 3, spelling: ':' },
// CHECK:STDOUT: { index: 9, kind: 'OpenSquareBracket', line: {{ *}}[[@LINE-4]], column: 13, indent: 3, spelling: '[', closing_token: 13, has_leading_space: true },
// CHECK:STDOUT: { index: 10, kind: 'IntTypeLiteral', line: {{ *}}[[@LINE-5]], column: 14, indent: 3, spelling: 'i32' },
// CHECK:STDOUT: { index: 11, kind: 'Semi', line: {{ *}}[[@LINE-6]], column: 17, indent: 3, spelling: ';' },
// CHECK:STDOUT: { index: 12, kind: 'IntLiteral', line: {{ *}}[[@LINE-7]], column: 19, indent: 3, spelling: '5', value: `5`, has_leading_space: true },
// CHECK:STDOUT: { index: 13, kind: 'CloseSquareBracket', line: {{ *}}[[@LINE-8]], column: 20, indent: 3, spelling: ']', opening_token: 9 },
// CHECK:STDOUT: { index: 14, kind: 'Equal', line: {{ *}}[[@LINE-9]], column: 22, indent: 3, spelling: '=', has_leading_space: true },
// CHECK:STDOUT: { index: 15, kind: 'OpenParen', line: {{ *}}[[@LINE-10]], column: 24, indent: 3, spelling: '(', closing_token: 26, has_leading_space: true },
8,
// CHECK:STDOUT: { index: 16, kind: 'IntLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '8', value: `8`, has_leading_space: true },
// CHECK:STDOUT: { index: 17, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 6, indent: 5, spelling: ',' },
9,
// CHECK:STDOUT: { index: 18, kind: 'IntLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '9', value: `9`, has_leading_space: true },
// CHECK:STDOUT: { index: 19, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 6, indent: 5, spelling: ',' },
0x8,
// CHECK:STDOUT: { index: 20, kind: 'IntLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '0x8', value: `8`, has_leading_space: true },
// CHECK:STDOUT: { index: 21, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 8, indent: 5, spelling: ',' },
0b1000,
// CHECK:STDOUT: { index: 22, kind: 'IntLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '0b1000', value: `8`, has_leading_space: true },
// CHECK:STDOUT: { index: 23, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 11, indent: 5, spelling: ',' },
39999999999999999993,
// CHECK:STDOUT: { index: 24, kind: 'IntLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '39999999999999999993', value: `39999999999999999993`, has_leading_space: true },
// CHECK:STDOUT: { index: 25, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 25, indent: 5, spelling: ',' },
);
// CHECK:STDOUT: { index: 26, kind: 'CloseParen', line: {{ *}}[[@LINE-1]], column: 3, indent: 3, spelling: ')', opening_token: 15, has_leading_space: true },
// CHECK:STDOUT: { index: 27, kind: 'Semi', line: {{ *}}[[@LINE-2]], column: 4, indent: 3, spelling: ';' },
var floats: [f64; 7] = (
// CHECK:STDOUT: { index: 28, kind: 'Var', line: {{ *}}[[@LINE-1]], column: 3, indent: 3, spelling: 'var', has_leading_space: true },
// CHECK:STDOUT: { index: 29, kind: 'Identifier', line: {{ *}}[[@LINE-2]], column: 7, indent: 3, spelling: 'floats', identifier: 2, has_leading_space: true },
// CHECK:STDOUT: { index: 30, kind: 'Colon', line: {{ *}}[[@LINE-3]], column: 13, indent: 3, spelling: ':' },
// CHECK:STDOUT: { index: 31, kind: 'OpenSquareBracket', line: {{ *}}[[@LINE-4]], column: 15, indent: 3, spelling: '[', closing_token: 35, has_leading_space: true },
// CHECK:STDOUT: { index: 32, kind: 'FloatTypeLiteral', line: {{ *}}[[@LINE-5]], column: 16, indent: 3, spelling: 'f64' },
// CHECK:STDOUT: { index: 33, kind: 'Semi', line: {{ *}}[[@LINE-6]], column: 19, indent: 3, spelling: ';' },
// CHECK:STDOUT: { index: 34, kind: 'IntLiteral', line: {{ *}}[[@LINE-7]], column: 21, indent: 3, spelling: '7', value: `7`, has_leading_space: true },
// CHECK:STDOUT: { index: 35, kind: 'CloseSquareBracket', line: {{ *}}[[@LINE-8]], column: 22, indent: 3, spelling: ']', opening_token: 31 },
// CHECK:STDOUT: { index: 36, kind: 'Equal', line: {{ *}}[[@LINE-9]], column: 24, indent: 3, spelling: '=', has_leading_space: true },
// CHECK:STDOUT: { index: 37, kind: 'OpenParen', line: {{ *}}[[@LINE-10]], column: 26, indent: 3, spelling: '(', closing_token: 52, has_leading_space: true },
0.9,
// CHECK:STDOUT: { index: 38, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '0.9', value: `9*10^-1`, has_leading_space: true },
// CHECK:STDOUT: { index: 39, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 8, indent: 5, spelling: ',' },
8.0,
// CHECK:STDOUT: { index: 40, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '8.0', value: `80*10^-1`, has_leading_space: true },
// CHECK:STDOUT: { index: 41, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 8, indent: 5, spelling: ',' },
80.0,
// CHECK:STDOUT: { index: 42, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '80.0', value: `800*10^-1`, has_leading_space: true },
// CHECK:STDOUT: { index: 43, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 9, indent: 5, spelling: ',' },
1.0e7,
// CHECK:STDOUT: { index: 44, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '1.0e7', value: `10*10^6`, has_leading_space: true },
// CHECK:STDOUT: { index: 45, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 10, indent: 5, spelling: ',' },
1.0e8,
// CHECK:STDOUT: { index: 46, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '1.0e8', value: `10*10^7`, has_leading_space: true },
// CHECK:STDOUT: { index: 47, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 10, indent: 5, spelling: ',' },
1.0e-8,
// CHECK:STDOUT: { index: 48, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '1.0e-8', value: `10*10^-9`, has_leading_space: true },
// CHECK:STDOUT: { index: 49, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 11, indent: 5, spelling: ',' },
39999999999999999993.0e39999999999999999993,
// CHECK:STDOUT: { index: 50, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 5, indent: 5, spelling: '39999999999999999993.0e39999999999999999993', value: `399999999999999999930*10^39999999999999999992`, has_leading_space: true },
// CHECK:STDOUT: { index: 51, kind: 'Comma', line: {{ *}}[[@LINE-2]], column: 48, indent: 5, spelling: ',' },
);
// CHECK:STDOUT: { index: 52, kind: 'CloseParen', line: {{ *}}[[@LINE-1]], column: 3, indent: 3, spelling: ')', opening_token: 37, has_leading_space: true },
// CHECK:STDOUT: { index: 53, kind: 'Semi', line: {{ *}}[[@LINE-2]], column: 4, indent: 3, spelling: ';' },
}
// CHECK:STDOUT: { index: 54, kind: 'CloseCurlyBrace', line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: '}', opening_token: 5, has_leading_space: true },
// CHECK:STDOUT: { index: 55, kind: 'FileEnd', line: {{ *}}[[@LINE+1]], column: {{ *\d+}}, indent: 1, spelling: '', has_leading_space: true },
// CHECK:STDOUT: ]
// --- fail_binary_real.carbon
// CHECK:STDOUT: - filename: fail_binary_real.carbon
// CHECK:STDOUT: tokens: [
// CHECK:STDOUT: { index: 0, kind: 'FileStart', line: {{ *\d+}}, column: 1, indent: 1, spelling: '' },
// CHECK:STDERR: fail_binary_real.carbon:[[@LINE+4]]:4: error(BinaryRealLiteral): binary real number literals are not supported
// CHECK:STDERR: 0b1.0
// CHECK:STDERR: ^
// CHECK:STDERR:
0b1.0
// CHECK:STDOUT: { index: 1, kind: 'RealLiteral', line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: '0b1.0', value: `2*2^-1`, has_leading_space: true },
// CHECK:STDOUT: { index: 2, kind: 'FileEnd', line: {{ *}}[[@LINE+1]], column: {{ *\d+}}, indent: 1, spelling: '', has_leading_space: true },
// CHECK:STDOUT: ]
// --- fail_wrong_real_exponent
// CHECK:STDOUT: - filename: fail_wrong_real_exponent
// CHECK:STDOUT: tokens: [
// CHECK:STDOUT: { index: 0, kind: 'FileStart', line: {{ *\d+}}, column: 1, indent: 1, spelling: '' },
// CHECK:STDERR: fail_wrong_real_exponent:[[@LINE+3]]:4: error(WrongRealLiteralExponent): expected 'e' to introduce exponent
// CHECK:STDERR: 1.0r3
// CHECK:STDERR: ^
1.0r3
// CHECK:STDOUT: { index: 1, kind: 'Error', line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: '1.0r3', has_leading_space: true },
// CHECK:STDOUT: { index: 2, kind: 'FileEnd', line: {{ *}}[[@LINE+1]], column: {{ *\d+}}, indent: 1, spelling: '', has_leading_space: true },
// CHECK:STDOUT: ]
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