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#!/bin/bash

set -e

# Code coverage script for BehaviorTree.CPP

# Based on .github/workflows/cmake_ubuntu.yml coverage job

BUILD_DIR="build/coverage"

COVERAGE_FILE="coverage.info"

COVERAGE_HTML_DIR="coverage_report"

echo "=== BehaviorTree.CPP Code Coverage ==="

# Check for lcov

if ! command -v lcov &> /dev/null; then

echo "Error: lcov is not installed."

echo "Install with: sudo apt-get install lcov"

exit 1

# Clean previous coverage data

echo "Cleaning previous coverage data..."

rm -rf "$BUILD_DIR" "$COVERAGE_FILE" "$COVERAGE_HTML_DIR"

# Configure CMake with coverage flags (plain CMake approach)

echo "Configuring CMake with coverage flags..."

cmake -S . -B "$BUILD_DIR" \

-DCMAKE_BUILD_TYPE=Debug \

-DCMAKE_C_FLAGS="--coverage -fprofile-update=atomic" \

-DCMAKE_CXX_FLAGS="--coverage -fprofile-update=atomic"

# Build

echo "Building..."

cmake --build "$BUILD_DIR" --parallel

# Run tests

echo "Running tests..."

ctest --test-dir "$BUILD_DIR" --output-on-failure

# Collect coverage

echo "Collecting coverage data..."

lcov --capture --directory "$BUILD_DIR" \

--output-file "$COVERAGE_FILE"

# Extract only project source files

echo "Filtering coverage data..."

lcov --extract "$COVERAGE_FILE" \

"$(pwd)/include/*" \

"$(pwd)/src/*" \

--output-file "$COVERAGE_FILE" || true

# Remove contrib files

lcov --remove "$COVERAGE_FILE" \

'*/contrib/*' \

--output-file "$COVERAGE_FILE" || true

# Show summary

echo ""

echo "=== Coverage Summary ==="

lcov --list "$COVERAGE_FILE"

# Generate HTML report

if command -v genhtml &> /dev/null; then

echo ""

echo "Generating HTML report..."

genhtml "$COVERAGE_FILE" --output-directory "$COVERAGE_HTML_DIR"

echo "HTML report generated at: $COVERAGE_HTML_DIR/index.html"

echo ""

echo "Coverage data saved to: $COVERAGE_FILE"