#!/bin/sh
# Run after building dbc.pro with GCC coverage and CONFIG+=dbc_qt.
set -eu

if [ "$#" -ne 2 ]; then
    echo "Usage: $0 SOURCE_DIRECTORY BUILD_DIRECTORY" >&2
    exit 2
fi

dbc_source_dir=$(cd "$1" && pwd)
dbc_build_dir=$(cd "$2" && pwd)
cd "$dbc_build_dir"

if [ ! -f core/dbc_decoder.gcno ] || [ ! -f qt/dbc_tree_model.gcno ]; then
    echo "Build with --coverage and CONFIG+=dbc_qt before generating the report." >&2
    exit 1
fi

mkdir -p standalone
"${CXX:-c++}" -std=c++17 -O0 -g --coverage -fprofile-abs-path \
    -I"$dbc_source_dir/core" \
    "$dbc_source_dir/tests/tree_node_test.cpp" \
    "$dbc_source_dir/core/tree_node.cpp" \
    "$dbc_source_dir/core/dbc_tree_builder.cpp" \
    -o standalone/tree_node_tests

lcov --capture --initial --directory . --branch-coverage \
    --include "$dbc_source_dir/core/*" --include "$dbc_source_dir/qt/*" \
    --output-file baseline.info --quiet
lcov --zerocounters --directory . --quiet

./tests/dbc_tests
./tests/dbc_model_tests
./standalone/tree_node_tests

lcov --capture --directory . --branch-coverage \
    --include "$dbc_source_dir/core/*" --include "$dbc_source_dir/qt/*" \
    --output-file executed.info --quiet
lcov --add-tracefile baseline.info --add-tracefile executed.info \
    --branch-coverage --output-file coverage.info --quiet
genhtml coverage.info --branch-coverage --demangle-cpp \
    --output-directory html --quiet
lcov --summary coverage.info --branch-coverage
echo "HTML report: $dbc_build_dir/html/index.html"