feat(04-01): add cross-validation test script for Kotlin decoder
- Checks prerequisites (kotlinc, java, cargo) with install instructions - Test 1: single text file round-trip (Rust pack -> Kotlin decode) - Test 2: multiple files with mixed content (text + 10KB binary) - Test 3: no-compress mode for pre-compressed files - Test 4: empty file edge case - Test 5: large file (100 KB random data) - SHA-256 comparison of original vs extracted for each test - Colored output, temp directory cleanup via trap, non-zero exit on failure Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
NikitolProject
263
kotlin/test_decoder.sh
Executable file
263
kotlin/test_decoder.sh
Executable file
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#!/usr/bin/env bash
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set -euo pipefail
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# ---------------------------------------------------------------------------
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# Cross-validation test script for Kotlin ArchiveDecoder
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#
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# Creates archives with the Rust CLI, decodes with the Kotlin decoder,
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# and verifies byte-identical output via SHA-256 comparison.
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# ---------------------------------------------------------------------------
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
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TMPDIR=""
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PASS_COUNT=0
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FAIL_COUNT=0
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TOTAL_COUNT=0
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# Colors (if terminal supports them)
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if [ -t 1 ]; then
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GREEN='\033[0;32m'
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RED='\033[0;31m'
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YELLOW='\033[0;33m'
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BOLD='\033[1m'
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NC='\033[0m'
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else
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GREEN=''
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RED=''
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YELLOW=''
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BOLD=''
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NC=''
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fi
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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cleanup() {
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if [ -n "$TMPDIR" ] && [ -d "$TMPDIR" ]; then
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rm -rf "$TMPDIR"
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fi
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}
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trap cleanup EXIT
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pass() {
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local name="$1"
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PASS_COUNT=$((PASS_COUNT + 1))
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TOTAL_COUNT=$((TOTAL_COUNT + 1))
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echo -e " ${GREEN}PASS${NC}: $name"
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}
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fail() {
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local name="$1"
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local detail="${2:-}"
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FAIL_COUNT=$((FAIL_COUNT + 1))
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TOTAL_COUNT=$((TOTAL_COUNT + 1))
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echo -e " ${RED}FAIL${NC}: $name"
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if [ -n "$detail" ]; then
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echo " $detail"
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fi
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}
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sha256_of() {
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sha256sum "$1" | awk '{print $1}'
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}
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verify_file() {
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local original="$1"
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local extracted="$2"
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local label="$3"
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if [ ! -f "$extracted" ]; then
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fail "$label" "Extracted file not found: $extracted"
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return
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fi
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local orig_hash
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local ext_hash
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orig_hash=$(sha256_of "$original")
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ext_hash=$(sha256_of "$extracted")
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if [ "$orig_hash" = "$ext_hash" ]; then
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pass "$label (SHA-256: ${orig_hash:0:16}...)"
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else
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fail "$label" "SHA-256 mismatch: original=$orig_hash extracted=$ext_hash"
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fi
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}
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# ---------------------------------------------------------------------------
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# Prerequisites check
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Checking prerequisites...${NC}"
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if ! command -v kotlinc &>/dev/null; then
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echo -e "${RED}ERROR${NC}: kotlinc not found."
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echo " Install Kotlin compiler:"
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echo " - SDKMAN: sdk install kotlin"
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echo " - Homebrew: brew install kotlin"
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echo " - Snap: sudo snap install kotlin --classic"
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echo " - Manual: https://kotlinlang.org/docs/command-line.html"
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exit 1
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fi
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if ! command -v java &>/dev/null; then
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echo -e "${RED}ERROR${NC}: java not found."
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echo " Install Java runtime:"
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echo " - Ubuntu: sudo apt install default-jdk"
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echo " - SDKMAN: sdk install java"
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exit 1
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fi
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if ! command -v cargo &>/dev/null; then
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echo -e "${RED}ERROR${NC}: cargo not found."
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echo " Install Rust: https://rustup.rs/"
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exit 1
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fi
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echo " kotlinc: $(kotlinc -version 2>&1 | head -1)"
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echo " java: $(java -version 2>&1 | head -1)"
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echo " cargo: $(cargo --version)"
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echo ""
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# ---------------------------------------------------------------------------
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# Build Rust archiver
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Building Rust archiver...${NC}"
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(cd "$PROJECT_DIR" && cargo build --release -q)
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ARCHIVER="$PROJECT_DIR/target/release/encrypted_archive"
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echo " Built: $ARCHIVER"
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echo ""
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# ---------------------------------------------------------------------------
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# Compile Kotlin decoder
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Compiling Kotlin decoder...${NC}"
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JAR="$SCRIPT_DIR/ArchiveDecoder.jar"
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kotlinc "$SCRIPT_DIR/ArchiveDecoder.kt" -include-runtime -d "$JAR" 2>&1 | tail -5 || true
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if [ ! -f "$JAR" ]; then
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echo -e "${RED}ERROR${NC}: Compilation failed. ArchiveDecoder.jar not found."
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exit 1
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fi
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echo " Compiled: $JAR"
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echo ""
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# ---------------------------------------------------------------------------
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# Create temp directory
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# ---------------------------------------------------------------------------
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TMPDIR=$(mktemp -d)
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echo -e "${BOLD}Temp directory: $TMPDIR${NC}"
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echo ""
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# ---------------------------------------------------------------------------
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# Test case 1: Single text file
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Test 1: Single text file${NC}"
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ORIG1="$TMPDIR/hello.txt"
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echo -n "Hello, World!" > "$ORIG1"
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"$ARCHIVER" pack "$ORIG1" -o "$TMPDIR/test1.archive"
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java -jar "$JAR" "$TMPDIR/test1.archive" "$TMPDIR/output1/"
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verify_file "$ORIG1" "$TMPDIR/output1/hello.txt" "hello.txt"
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echo ""
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# ---------------------------------------------------------------------------
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# Test case 2: Multiple files with mixed content (text + binary + Cyrillic)
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Test 2: Multiple files with mixed content${NC}"
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ORIG2_TEXT="$TMPDIR/text.txt"
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cat > "$ORIG2_TEXT" << 'TEXTEOF'
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This is a test file with multiple lines.
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It contains ASCII and Cyrillic characters.
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Line 3: testing 1 2 3.
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TEXTEOF
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ORIG2_BIN="$TMPDIR/binary.bin"
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dd if=/dev/urandom bs=1024 count=10 of="$ORIG2_BIN" 2>/dev/null
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"$ARCHIVER" pack "$ORIG2_TEXT" "$ORIG2_BIN" -o "$TMPDIR/test2.archive"
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java -jar "$JAR" "$TMPDIR/test2.archive" "$TMPDIR/output2/"
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verify_file "$ORIG2_TEXT" "$TMPDIR/output2/text.txt" "text.txt (multiline UTF-8)"
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verify_file "$ORIG2_BIN" "$TMPDIR/output2/binary.bin" "binary.bin (10 KB random)"
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echo ""
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# ---------------------------------------------------------------------------
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# Test case 3: Already-compressed file (APK-like, no compression)
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Test 3: Already-compressed file (no-compress mode)${NC}"
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ORIG3="$TMPDIR/fake.dat"
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dd if=/dev/urandom bs=512 count=5 of="$ORIG3" 2>/dev/null
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# Use --no-compress with the filename pattern to skip compression
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"$ARCHIVER" pack "$ORIG3" -o "$TMPDIR/test3.archive" --no-compress "fake.dat"
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java -jar "$JAR" "$TMPDIR/test3.archive" "$TMPDIR/output3/"
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verify_file "$ORIG3" "$TMPDIR/output3/fake.dat" "fake.dat (no-compress)"
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echo ""
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# ---------------------------------------------------------------------------
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# Test case 4: Empty file
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Test 4: Empty file${NC}"
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ORIG4="$TMPDIR/empty.txt"
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touch "$ORIG4"
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"$ARCHIVER" pack "$ORIG4" -o "$TMPDIR/test4.archive"
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java -jar "$JAR" "$TMPDIR/test4.archive" "$TMPDIR/output4/"
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# Verify output file exists and is empty
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if [ -f "$TMPDIR/output4/empty.txt" ]; then
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EMPTY_SIZE=$(wc -c < "$TMPDIR/output4/empty.txt")
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if [ "$EMPTY_SIZE" -eq 0 ]; then
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pass "empty.txt (0 bytes)"
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else
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fail "empty.txt" "Expected 0 bytes, got $EMPTY_SIZE bytes"
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fi
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else
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fail "empty.txt" "File not found in output"
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fi
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echo ""
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# ---------------------------------------------------------------------------
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# Test case 5: Large file (100 KB)
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}Test 5: Large file (100 KB)${NC}"
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ORIG5="$TMPDIR/large.bin"
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dd if=/dev/urandom bs=1024 count=100 of="$ORIG5" 2>/dev/null
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"$ARCHIVER" pack "$ORIG5" -o "$TMPDIR/test5.archive"
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java -jar "$JAR" "$TMPDIR/test5.archive" "$TMPDIR/output5/"
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verify_file "$ORIG5" "$TMPDIR/output5/large.bin" "large.bin (100 KB random)"
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echo ""
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# ---------------------------------------------------------------------------
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# Summary
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# ---------------------------------------------------------------------------
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echo -e "${BOLD}========================================${NC}"
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echo -e "${BOLD}Results: $PASS_COUNT passed, $FAIL_COUNT failed out of $TOTAL_COUNT tests${NC}"
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echo -e "${BOLD}========================================${NC}"
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if [ "$FAIL_COUNT" -gt 0 ]; then
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echo -e "${RED}SOME TESTS FAILED${NC}"
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exit 1
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else
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echo -e "${GREEN}ALL TESTS PASSED${NC}"
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exit 0
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fi
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