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# Copyright (C) 2026 Advanced Micro Devices, Inc. All rights reserved.
#
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# C++-specific OpenMP-offload tests.  Verify that GDB can break
# inside a templated device function and a struct member function
# used in a target region.

load_lib rocm.exp

require allow_omp_offload_tests

standard_testfile .cpp

set tmpl_line    [gdb_get_line_number "tmpl-line"]
set functor_line [gdb_get_line_number "functor-line"]

if {[prepare_for_testing "failed to prepare" $testfile $srcfile \
	 {debug c++ omp-rocm}] == -1} {
    return -1
}

with_rocm_gpu_lock {
    if {![runto_main]} {
	return
    }

    with_test_prefix "templated add_t" {
	gdb_breakpoint "$srcfile:$tmpl_line" allow-pending
	gdb_continue_to_breakpoint "add_t<int>"
	# The kernel reaches add_t through sum_pair, so the device call
	# stack shows both frames.
	gdb_test "backtrace 2" \
	    "#0 .*add_t<int> .*\r\n#1 .*sum_pair<int> .*" \
	    "add_t called from sum_pair"
	delete_breakpoints
    }

    with_test_prefix "multiplier::operator()" {
	gdb_breakpoint "$srcfile:$functor_line" allow-pending
	gdb_continue_to_breakpoint "multiplier::operator()"
	# Likewise, the functor is reached through scale.
	gdb_test "backtrace 2" \
	    "#0 .*multiplier::operator\\(\\) .*\r\n#1 .*scale .*" \
	    "functor called from scale"

	# 'this->factor' should be the value we set on the host (3),
	# transferred via the implicit 'map(to:m)'.
	gdb_test "print this->factor" \
	    "= 3" \
	    "factor visible via 'this'"
	delete_breakpoints
    }

    # The OpenMP runtime's host threads emit "[Thread ... exited]"
    # lines before the program exits, so allow extra output.
    gdb_continue_to_end "" "continue" 1
}