# REQUIRES: lld, msvc, target-windows

# Test that LLDB can show variables introduced in C++ 17 structured bindings
# when compiled with MSVC.

# RUN: split-file %s %t

# RUN: %build --compiler=msvc --arch=64 --std=c++17 --nodefaultlib -o %t.exe -- %t/main.cpp
# RUN: lldb-test symbols %t.exe | FileCheck %s --check-prefix=SYMBOLS
# RUN: %lldb -f %t.exe -s %t/commands.input | FileCheck %s --check-prefix=LLDB

#--- main.cpp

struct Foo { int a; int b; };

int main() {
    Foo f{1, 2};

    auto&[a, b] = f;
    return a + b; // break here
}

#--- commands.input

br set -p "break here"
r
v f
v a
v b
q

# SYMBOLS:      Function{{.*}}, demangled = main, type =
# SYMBOLS-NEXT: Block{{.*}}, ranges = 
# SYMBOLS-NEXT:   Variable{{.*}}, name = "f", type = {{.*}} (Foo), scope = local, location =
# SYMBOLS-NEXT:   Variable{{.*}}, name = "b", type = {{.*}} (int), scope = local, location = DW_OP_breg{{.*}}, DW_OP_deref, DW_OP_plus_uconst 0x{{[0-9]+}}
# SYMBOLS-NEXT:   Variable{{.*}}, name = "a", type = {{.*}} (int), scope = local, location = DW_OP_breg{{.*}}, DW_OP_deref, DW_OP_plus_uconst 0x0

# LLDB:      (lldb) v f
# LLDB-NEXT: (Foo) f = (a = 1, b = 2)
# LLDB-NEXT: (lldb) v a
# LLDB-NEXT: (int) a = 1
# LLDB-NEXT: (lldb) v b
# LLDB-NEXT: (int) b = 2