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carbon-lang/toolchain/check/testdata/interop/cpp/var/constexpr.carbon
T
Richard Smith 335d811b9f Add a bit more structure to interop/cpp tests. (#7085)
Add import/ and export/ under function/. Move most top-level tests to a
new basics/ with subdirectories for `import` directives and `inline
Cpp`. Add subdirectory for primitive type handling. Move all `reverse/`
tests to somewhere else, typically under an `export/` directory.

I split two test files up: constexpr.carbon got split into var/ and
function/ pieces, and reverse/simple.carbon was inlined into
namespace/export.carbon. The rest are just simple renames.
2026-04-21 20:22:21 +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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
// EXTRA-ARGS: --clang-arg=--std=c++20
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/var/constexpr.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/var/constexpr.carbon
// --- bool.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
constexpr bool b = true;
''';
class C(B:! bool) {}
fn F() -> C(Cpp.b);
let x: C(true) = F();
// --- int.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
constexpr int i = 123;
''';
class C(I:! i32) {}
fn F() -> C(Cpp.i);
let x: C(123) = F();
// --- float.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
constexpr float flt = 123.5;
''';
class C(V:! f32) {}
fn F() -> C(Cpp.flt);
let x: C(123.5) = F();
// --- pointer.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
int i = 123;
constexpr int* _Nonnull ptr = &i;
''';
class C(V:! i32*) {}
fn F() -> C(Cpp.ptr);
let x: C(&Cpp.i) = F();