Land src/core/package: the pure RSBK container — format ladder, JSON manifest, framing/layout codec

Two-integer ladder (formatVersion/minReaderVersion), bare-name-only entries
validated on encode and decode, prefix decode that proves exact file size
without ever reading a payload.
This commit is contained in:
2026-08-02 07:27:43 -04:00
parent 09a9ef838f
commit 043558a54d
12 changed files with 1351 additions and 0 deletions
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// Standalone tests for reasampler::package::bank_package — no REAPER, no test
// framework. Byte-level suites hand-roll RSBK images with wire::putLE rather
// than calling encodePackage, so a layout regression in encode cannot hide from
// decode (the two sides are pinned against each other AND against raw bytes).
#include "../src/core/package/bank_package.h"
#include <cstdio>
#include <cstdint>
#include <string>
#include <vector>
#include "../src/core/version/app_version.h"
#include "../src/core/wire/bytes.h"
using namespace reasampler::package;
using namespace reasampler::model;
namespace wire = reasampler::wire;
namespace version = reasampler::version;
static int g_fail = 0;
#define CHECK(cond) do { if(!(cond)) { \
std::printf("FAIL line %d: %s\n", __LINE__, #cond); ++g_fail; } } while(0)
// --- fixtures ----------------------------------------------------------------
// Every Sample field populated, every optional PRESENT.
static Sample fullSample() {
Sample s;
s.id = "smp-full";
s.displayName = "Kick (wet)";
s.relativePath = "reasampler_bank/kick.wav";
s.sourceMode = SourceMode::RazorArea;
s.sourceRange = {1.25, 3.5, 480.0, 1920.0};
s.trackGuids = {"{AAA}", "{BBB}"};
s.wetDry = 0.75;
s.channelCount = 2;
s.sampleRate = 48000;
s.lengthSeconds = 2.25;
s.lengthBeats = 4.5;
s.captureTempo = 120.5;
s.captureTimeSigNum = 7;
s.captureTimeSigDenom = 8;
s.key = "F#m";
s.rootNote = 60;
s.loop = LoopPoints{100, 4800};
s.levels = {-0.3, -12.7, -14.0};
s.clipped = true;
s.tier = Tier::Archive;
s.contentHash = "W0123456789abcdef";
s.provenance = Provenance{"smp-parent", "fx-snapshot"};
s.createdTimestamp = 1754000000;
return s;
}
// Every Sample optional ABSENT (key, rootNote, loop, provenance).
static Sample bareSample() {
Sample s;
s.id = "smp-bare";
s.displayName = "Snare";
s.relativePath = "reasampler_bank/snare.wav";
s.sourceMode = SourceMode::Realtime;
s.contentHash = "Wfedcba9876543210";
s.createdTimestamp = 1754000001;
return s;
}
static PackageManifest fixture(std::uint64_t len0, std::uint64_t len1) {
PackageManifest m;
m.bankDisplayName = "Drums \"live\"";
m.exportTimestamp = 1754100000;
m.entries.push_back({"kick.wav", len0, "1111222233334444", fullSample()});
m.entries.push_back({"snare.wav", len1, "5555666677778888", bareSample()});
m.slots.append("smp-full");
m.slots.append("smp-bare");
return m;
}
// A hand-rolled RSBK image: frozen region + a raw tail (manifest framing or
// deliberate garbage), independent of encodePackage.
static std::vector<std::uint8_t> rawHeader(std::uint32_t fv, std::uint32_t mv,
const std::string& semver) {
std::vector<std::uint8_t> out;
out.insert(out.end(), kPackageMagic, kPackageMagic + 4);
wire::putLE(out, fv);
wire::putLE(out, mv);
wire::putLE(out, static_cast<std::uint32_t>(semver.size()));
out.insert(out.end(), semver.begin(), semver.end());
return out;
}
static void appendManifest(std::vector<std::uint8_t>& out, const std::string& json) {
wire::putLE(out, static_cast<std::uint32_t>(json.size()));
out.insert(out.end(), json.begin(), json.end());
}
// One-entry manifest JSON with `extra` spliced in as additional root content
// ("" for none) — for images a current writer would never emit.
static std::string handManifest(const std::string& name, int length,
const std::string& extra) {
return std::string("{") + extra +
"\"entries\":[{\"name\":\"" + name +
"\",\"length\":" + std::to_string(length) + ",\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s1\","
"\"relativePath\":\"bank/a.wav\"}]}}]}";
}
// --- encode / decode round trip ----------------------------------------------
static void testEncodeDecodeRoundTrip() {
const PackageManifest m = fixture(96000, 0); // a zero-length payload is legal
auto enc = encodePackage(m);
CHECK(enc.has_value());
// Layout arithmetic: payloads start at the prefix end, in manifest order.
CHECK(enc->layout.size() == 2);
CHECK(enc->layout[0].name == "kick.wav");
CHECK(enc->layout[0].offset == enc->prefix.size());
CHECK(enc->layout[0].length == 96000);
CHECK(enc->layout[1].offset == enc->prefix.size() + 96000);
CHECK(enc->layout[1].length == 0);
CHECK(enc->totalSize == enc->prefix.size() + 96000);
// decodePackage(encodePackage(x)) == x — payloads are never read by the
// codec, so the prefix plus the true total size is the whole input.
const DecodedPackage dec = decodePackage(enc->prefix, enc->totalSize);
CHECK(dec.status == PackageReadability::Readable);
CHECK(dec.manifest == m);
CHECK(dec.layout == enc->layout);
CHECK(dec.prefixSize == enc->prefix.size());
// The header stamps this build's ladder pair and its informational semver.
CHECK(dec.header.formatVersion == kPackageFormatVersion);
CHECK(dec.header.minReaderVersion == kPackageMinReaderVersion);
CHECK(dec.header.writerVersion == version::stampVersion());
}
static void testEncodeRefusesWhatManifestRefuses() {
PackageManifest m = fixture(1, 1);
m.entries[0].fileName = "../evil.wav";
CHECK(!encodePackage(m).has_value());
}
// --- truncation: every byte offset -------------------------------------------
static void testTruncationAtEveryByteOffsetIsMalformed() {
const PackageManifest m = fixture(3, 5);
auto enc = encodePackage(m);
CHECK(enc.has_value());
// The complete on-disk image: prefix + both payloads.
std::vector<std::uint8_t> file = enc->prefix;
for (std::uint8_t b : {1, 2, 3, 10, 20, 30, 40, 50}) file.push_back(b);
CHECK(file.size() == enc->totalSize);
CHECK(decodePackage(file, file.size()).status == PackageReadability::Readable);
for (std::size_t cut = 0; cut < file.size(); ++cut) {
const std::vector<std::uint8_t> truncated(file.begin(), file.begin() + cut);
const DecodedPackage dec = decodePackage(truncated, truncated.size());
if (dec.status != PackageReadability::Malformed) {
std::printf("FAIL: truncation at %zu not Malformed\n", cut);
++g_fail;
break;
}
// A refused decode must not half-succeed at any cut either.
CHECK(dec.manifest.entries.empty());
CHECK(dec.layout.empty());
}
// One byte extra (trailing garbage) is as Malformed as one byte missing.
std::vector<std::uint8_t> extended = file;
extended.push_back(0);
CHECK(decodePackage(extended, extended.size()).status == PackageReadability::Malformed);
// And a file size that disagrees with the same bytes.
CHECK(decodePackage(file, file.size() + 1).status == PackageReadability::Malformed);
CHECK(decodePackage(file, file.size() - 1).status == PackageReadability::Malformed);
}
// --- version ladder: TooNew refuses whole ------------------------------------
static void testTooNewProducesNoManifest() {
// A future structural format: only the frozen region is trustworthy, so the
// tail is deliberate garbage that would crash a parser that kept reading.
std::vector<std::uint8_t> bytes = rawHeader(9, 9, "9.9.9");
for (int i = 0; i < 32; ++i) bytes.push_back(0xFF);
const DecodedPackage dec = decodePackage(bytes, bytes.size());
CHECK(dec.status == PackageReadability::TooNew);
// The refusal message's three facts survive...
CHECK(dec.header.formatVersion == 9);
CHECK(dec.header.minReaderVersion == 9);
CHECK(dec.header.writerVersion == "9.9.9");
// ...and nothing else is produced: no manifest, no layout, no half-success.
CHECK(dec.manifest.entries.empty());
CHECK(dec.manifest == PackageManifest{});
CHECK(dec.layout.empty());
CHECK(dec.prefixSize == 0);
// Boundary: minReader exactly one past this build.
auto boundary = rawHeader(kPackageFormatVersion + 1, kPackageFormatVersion + 1, "2.0.0");
CHECK(decodePackage(boundary, boundary.size()).status == PackageReadability::TooNew);
// A TooNew header truncated inside the frozen region cannot name the
// writer, so it is Malformed, not an unactionable refusal.
std::vector<std::uint8_t> cut = rawHeader(9, 9, "9.9.9");
cut.resize(18); // mid-semver
CHECK(decodePackage(cut, cut.size()).status == PackageReadability::Malformed);
}
// --- version ladder: additive forward compatibility --------------------------
// The reason two integers exist: a NEWER formatVersion whose minReaderVersion
// still reaches back to this build must read, with its unknown keys skipped.
static void testNewerAdditiveFormatReads() {
const std::string manifest = handManifest(
"a.wav", 4,
"\"instrumentState\":{\"future\":[1,2,3]},\"anotherNewKey\":\"x\",");
std::vector<std::uint8_t> bytes =
rawHeader(kPackageFormatVersion + 1, kPackageMinReaderVersion, "1.9.0");
appendManifest(bytes, manifest);
const std::uint64_t total = bytes.size() + 4; // the one entry's payload
const DecodedPackage dec = decodePackage(bytes, total);
CHECK(dec.status == PackageReadability::Readable);
CHECK(dec.header.formatVersion == kPackageFormatVersion + 1);
CHECK(dec.header.writerVersion == "1.9.0");
CHECK(dec.manifest.entries.size() == 1);
CHECK(dec.manifest.entries[0].fileName == "a.wav");
CHECK(dec.manifest.entries[0].sample.id == "s1");
CHECK(dec.layout.size() == 1);
CHECK(dec.layout[0].offset == bytes.size());
CHECK(dec.layout[0].length == 4);
}
// --- hostile headers ---------------------------------------------------------
static void testHostileHeadersAreMalformed() {
// Wrong magic.
std::vector<std::uint8_t> bad = rawHeader(1, 1, "1.0.0");
appendManifest(bad, "{}");
bad[0] = 'Z';
CHECK(decodePackage(bad, bad.size()).status == PackageReadability::Malformed);
// Incoherent version pairs (the classify rules, proven through the framing).
for (auto [fv, mv] : {std::pair<std::uint32_t, std::uint32_t>{0, 0}, {0, 1},
{1, 0}, {1, 2}}) {
std::vector<std::uint8_t> b = rawHeader(fv, mv, "1.0.0");
appendManifest(b, "{}");
CHECK(decodePackage(b, b.size()).status == PackageReadability::Malformed);
}
// A forged semver length over the cap must not read past the buffer.
std::vector<std::uint8_t> overSemver;
overSemver.insert(overSemver.end(), kPackageMagic, kPackageMagic + 4);
wire::putLE(overSemver, std::uint32_t{1});
wire::putLE(overSemver, std::uint32_t{1});
wire::putLE(overSemver, kMaxWriterVersionBytes + 1);
CHECK(decodePackage(overSemver, overSemver.size()).status ==
PackageReadability::Malformed);
// A forged manifest length over the cap: refused before any allocation.
std::vector<std::uint8_t> overManifest = rawHeader(1, 1, "1.0.0");
wire::putLE(overManifest, kMaxManifestBytes + 1);
CHECK(decodePackage(overManifest, overManifest.size()).status ==
PackageReadability::Malformed);
// A manifest whose entry name expresses a path: rejected on decode even
// though no current encoder would write it.
std::vector<std::uint8_t> traversal = rawHeader(1, 1, "1.0.0");
appendManifest(traversal, handManifest("../evil.wav", 4, ""));
CHECK(decodePackage(traversal, traversal.size() + 4).status ==
PackageReadability::Malformed);
}
// --- requiredPrefixSize ------------------------------------------------------
static void testRequiredPrefixSizeGrowsToTheFullPrefix() {
auto enc = encodePackage(fixture(3, 5));
CHECK(enc.has_value());
const auto& prefix = enc->prefix;
// Empty: the fixed region first.
CHECK(requiredPrefixSize({}) == std::uint64_t{16});
// With the fixed region: asks through the semver + manifest-length field.
const std::string& semver = version::stampVersion();
std::vector<std::uint8_t> first16(prefix.begin(), prefix.begin() + 16);
CHECK(requiredPrefixSize(first16) == std::uint64_t{16 + semver.size() + 4});
// With that much: the full prefix size. And the answer is a fixpoint.
std::vector<std::uint8_t> upToManifestLen(
prefix.begin(), prefix.begin() + 20 + static_cast<long>(semver.size()));
CHECK(requiredPrefixSize(upToManifestLen) == std::uint64_t{prefix.size()});
CHECK(requiredPrefixSize(prefix) == std::uint64_t{prefix.size()});
// The returned count is exactly enough for decodePackage.
CHECK(decodePackage(prefix, enc->totalSize).status == PackageReadability::Readable);
}
static void testRequiredPrefixSizeRefusals() {
// Bad magic: stop reading.
std::vector<std::uint8_t> bad(16, 0);
CHECK(!requiredPrefixSize(bad).has_value());
// Incoherent versions: stop reading.
std::vector<std::uint8_t> zeroed = rawHeader(0, 0, "1.0.0");
CHECK(!requiredPrefixSize(zeroed).has_value());
// TooNew: asks only through the frozen region — the manifest-length field
// belongs to the newer format and is never trusted.
std::vector<std::uint8_t> tooNew = rawHeader(9, 9, "9.9.9");
for (int i = 0; i < 8; ++i) tooNew.push_back(0xFF); // garbage where M would be
CHECK(requiredPrefixSize(tooNew) == std::uint64_t{16 + 5});
// Oversize length fields: stop reading.
std::vector<std::uint8_t> overSemver;
overSemver.insert(overSemver.end(), kPackageMagic, kPackageMagic + 4);
wire::putLE(overSemver, std::uint32_t{1});
wire::putLE(overSemver, std::uint32_t{1});
wire::putLE(overSemver, kMaxWriterVersionBytes + 1);
CHECK(!requiredPrefixSize(overSemver).has_value());
std::vector<std::uint8_t> overManifest = rawHeader(1, 1, "1.0.0");
wire::putLE(overManifest, kMaxManifestBytes + 1);
CHECK(!requiredPrefixSize(overManifest).has_value());
}
int main() {
testEncodeDecodeRoundTrip();
testEncodeRefusesWhatManifestRefuses();
testTruncationAtEveryByteOffsetIsMalformed();
testTooNewProducesNoManifest();
testNewerAdditiveFormatReads();
testHostileHeadersAreMalformed();
testRequiredPrefixSizeRefusals();
testRequiredPrefixSizeGrowsToTheFullPrefix();
if (g_fail == 0) {
std::printf("bank_package_tests: all passed\n");
return 0;
}
std::printf("bank_package_tests: %d failure(s)\n", g_fail);
return 1;
}
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// Standalone tests for reasampler::package's format contract — no REAPER, no
// test framework. Pins the version-ladder classification (both integers, every
// branch) and the entry-name rule that makes path expression structurally
// impossible in a package.
#include "../src/core/package/package_format.h"
#include <cstdio>
#include <string>
using namespace reasampler::package;
static int g_fail = 0;
#define CHECK(cond) do { if(!(cond)) { \
std::printf("FAIL line %d: %s\n", __LINE__, #cond); ++g_fail; } } while(0)
// --- classifyPackageVersion --------------------------------------------------
static void testClassifyReadable() {
CHECK(classifyPackageVersion(kPackageFormatVersion, kPackageMinReaderVersion) ==
PackageReadability::Readable);
// The additive-forward-compat direction: a newer writer whose minReader
// still reaches back to this build reads fine.
CHECK(classifyPackageVersion(kPackageFormatVersion + 5, kPackageMinReaderVersion) ==
PackageReadability::Readable);
// Boundary: minReader exactly this build's format version.
CHECK(classifyPackageVersion(kPackageFormatVersion + 1, kPackageFormatVersion) ==
PackageReadability::Readable);
}
static void testClassifyTooNew() {
// Boundary: one past this build's format version refuses.
CHECK(classifyPackageVersion(kPackageFormatVersion + 1, kPackageFormatVersion + 1) ==
PackageReadability::TooNew);
CHECK(classifyPackageVersion(99, 42) == PackageReadability::TooNew);
}
static void testClassifyMalformed() {
// Zero versions: no honest writer emits them (the ladder starts at 1).
CHECK(classifyPackageVersion(0, 0) == PackageReadability::Malformed);
CHECK(classifyPackageVersion(1, 0) == PackageReadability::Malformed);
CHECK(classifyPackageVersion(0, 1) == PackageReadability::Malformed);
// A writer cannot require a reader newer than what it wrote.
CHECK(classifyPackageVersion(1, 2) == PackageReadability::Malformed);
// Incoherence outranks TooNew: even with both above this build, minReader >
// formatVersion is Malformed, not a refusal message.
CHECK(classifyPackageVersion(5, 9) == PackageReadability::Malformed);
}
// --- isValidEntryName --------------------------------------------------------
static void testEntryNameAccepts() {
CHECK(isValidEntryName("kick.wav"));
CHECK(isValidEntryName("Snare 03 (wet).wav"));
CHECK(isValidEntryName("no-extension"));
CHECK(isValidEntryName(".hidden")); // a leading dot is a bare name
CHECK(isValidEntryName("a.b.c.wav")); // single dots are fine
CHECK(isValidEntryName(std::string(kMaxEntryNameBytes, 'x'))); // at the cap
}
static void testEntryNameRejectsSeparatorsAndDots() {
CHECK(!isValidEntryName(""));
CHECK(!isValidEntryName("."));
CHECK(!isValidEntryName(".."));
CHECK(!isValidEntryName("..\\evil.wav"));
CHECK(!isValidEntryName("../evil.wav"));
CHECK(!isValidEntryName("a..b.wav")); // any ".." occurrence rejects
CHECK(!isValidEntryName("dir/inner.wav"));
CHECK(!isValidEntryName("dir\\inner.wav"));
CHECK(!isValidEntryName("/rooted.wav"));
CHECK(!isValidEntryName("\\rooted.wav"));
}
static void testEntryNameRejectsAbsolutePrefixes() {
CHECK(!isValidEntryName("C:\\abs.wav"));
CHECK(!isValidEntryName("C:/abs.wav"));
CHECK(!isValidEntryName("c:relative-to-drive.wav")); // ':' bans drive forms
CHECK(!isValidEntryName("\\\\server\\share.wav")); // UNC
CHECK(!isValidEntryName(std::string(kMaxEntryNameBytes + 1, 'x'))); // over cap
}
int main() {
testClassifyReadable();
testClassifyTooNew();
testClassifyMalformed();
testEntryNameAccepts();
testEntryNameRejectsSeparatorsAndDots();
testEntryNameRejectsAbsolutePrefixes();
if (g_fail == 0) {
std::printf("package_format_tests: all passed\n");
return 0;
}
std::printf("package_format_tests: %d failure(s)\n", g_fail);
return 1;
}
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// Standalone tests for reasampler::package's manifest codec — no REAPER, no
// test framework. The round-trip fixture exercises every manifest field and
// every Sample optional in both present and absent states; the rejection suite
// pins the entry-name rule on encode AND decode.
#include "../src/core/package/package_manifest.h"
#include <cstdio>
#include <optional>
#include <string>
using namespace reasampler::package;
using namespace reasampler::model;
static int g_fail = 0;
#define CHECK(cond) do { if(!(cond)) { \
std::printf("FAIL line %d: %s\n", __LINE__, #cond); ++g_fail; } } while(0)
// --- fixtures ----------------------------------------------------------------
// Every Sample field populated, every optional PRESENT.
static Sample fullSample() {
Sample s;
s.id = "smp-full";
s.displayName = "Kick (wet)";
s.relativePath = "reasampler_bank/kick.wav";
s.sourceMode = SourceMode::RazorArea;
s.sourceRange = {1.25, 3.5, 480.0, 1920.0};
s.trackGuids = {"{AAA}", "{BBB}"};
s.wetDry = 0.75;
s.channelCount = 2;
s.sampleRate = 48000;
s.lengthSeconds = 2.25;
s.lengthBeats = 4.5;
s.captureTempo = 120.5;
s.captureTimeSigNum = 7;
s.captureTimeSigDenom = 8;
s.key = "F#m";
s.rootNote = 60;
s.loop = LoopPoints{100, 4800};
s.levels = {-0.3, -12.7, -14.0};
s.clipped = true;
s.tier = Tier::Archive;
s.contentHash = "W0123456789abcdef";
s.provenance = Provenance{"smp-parent", "fx-snapshot"};
s.createdTimestamp = 1754000000;
return s;
}
// Every Sample optional ABSENT (key, rootNote, loop, provenance).
static Sample bareSample() {
Sample s;
s.id = "smp-bare";
s.displayName = "Snare";
s.relativePath = "reasampler_bank/snare.wav";
s.sourceMode = SourceMode::Realtime;
s.contentHash = "Wfedcba9876543210";
s.createdTimestamp = 1754000001;
return s;
}
static PackageManifest fixture() {
PackageManifest m;
m.bankDisplayName = "Drums \"live\""; // escaping exercised
m.exportTimestamp = 1754100000;
m.entries.push_back({"kick.wav", 96000, "1111222233334444", fullSample()});
m.entries.push_back({"snare.wav", 0, "5555666677778888", bareSample()}); // 0-length legal
m.slots.append("smp-full");
m.slots.append("smp-bare");
m.slots.remove("smp-full"); // leaves a gap: slots round-trip must keep it
return m;
}
// --- round trip --------------------------------------------------------------
static void testRoundTripEveryField() {
const PackageManifest m = fixture();
auto json = serializeManifest(m);
CHECK(json.has_value());
auto back = deserializeManifest(*json);
CHECK(back.has_value());
CHECK(*back == m);
// Spot-check both optional states survived (== above proves it; these name
// the claim so a failure reads directly).
CHECK(back->entries[0].sample.loop.has_value());
CHECK(back->entries[0].sample.provenance.has_value());
CHECK(!back->entries[1].sample.key.has_value());
CHECK(!back->entries[1].sample.rootNote.has_value());
CHECK(back->slots.idAt(0).empty()); // the slot gap survived
CHECK(back->slots.slotOf("smp-bare") == 1);
}
static void testEmptyManifestRoundTrips() {
PackageManifest m;
auto json = serializeManifest(m);
CHECK(json.has_value());
auto back = deserializeManifest(*json);
CHECK(back.has_value());
CHECK(*back == m);
}
// --- forward compatibility ---------------------------------------------------
static void testUnknownKeysSkippedAtEveryLevel() {
// A future additive manifest: unknown keys at the root and inside an entry.
const std::string json =
"{\"bankName\":\"B\",\"exported\":7,"
"\"instrumentState\":{\"nested\":[1,2,{\"x\":\"y\"}]},"
"\"entries\":[{\"name\":\"a.wav\",\"length\":10,\"hash\":\"h\","
"\"futureField\":\"ignored\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s1\","
"\"relativePath\":\"bank/a.wav\"}]}}],"
"\"slots\":[],\"trailingUnknown\":null}";
auto m = deserializeManifest(json);
CHECK(m.has_value());
CHECK(m->bankDisplayName == "B");
CHECK(m->exportTimestamp == 7);
CHECK(m->entries.size() == 1);
CHECK(m->entries[0].fileName == "a.wav");
CHECK(m->entries[0].byteLength == 10);
CHECK(m->entries[0].sample.id == "s1");
}
// --- rejection: entry names, both directions ---------------------------------
static void testEncodeRejectsBadEntryName() {
for (const char* bad : {"..\\evil.wav", "../evil.wav", "dir/a.wav", "C:\\a.wav", "", ".."}) {
PackageManifest m = fixture();
m.entries[0].fileName = bad;
CHECK(!serializeManifest(m).has_value());
}
}
static void testDecodeRejectsBadEntryName() {
for (const char* bad : {"..\\\\evil.wav", "../evil.wav", "dir/a.wav", "C:\\\\a.wav", ".."}) {
// Hand-rolled JSON: a hostile package is not limited to what encode emits.
std::string json =
std::string("{\"entries\":[{\"name\":\"") + bad +
"\",\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s1\","
"\"relativePath\":\"bank/a.wav\"}]}}]}";
CHECK(!deserializeManifest(json).has_value());
}
}
static void testDuplicateEntryNamesRejectedBothWays() {
PackageManifest m = fixture();
m.entries[1].fileName = m.entries[0].fileName;
CHECK(!serializeManifest(m).has_value());
// Decode side, from a hand-built duplicate (a hostile package is not
// limited to what encode emits).
const std::string dup =
"{\"entries\":["
"{\"name\":\"a.wav\",\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s1\",\"relativePath\":\"p\"}]}},"
"{\"name\":\"a.wav\",\"length\":2,\"hash\":\"i\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s2\",\"relativePath\":\"q\"}]}}]}";
CHECK(!deserializeManifest(dup).has_value());
}
// --- rejection: structural ---------------------------------------------------
static void testEncodeRejectsUnrepresentableSample() {
PackageManifest m = fixture();
m.entries[0].sample.id.clear(); // BankModel::add rejects an empty id
CHECK(!serializeManifest(m).has_value());
PackageManifest m2 = fixture();
m2.entries[0].sample.relativePath = "C:/abs/kick.wav"; // and an absolute path
CHECK(!serializeManifest(m2).has_value());
}
static void testDecodeRejectsMalformedShapes() {
CHECK(!deserializeManifest("").has_value());
CHECK(!deserializeManifest("not json").has_value());
CHECK(!deserializeManifest("[]").has_value());
CHECK(!deserializeManifest("{\"entries\":[{}]}").has_value()); // entry missing fields
// Missing one required entry field apiece.
CHECK(!deserializeManifest(
"{\"entries\":[{\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s\",\"relativePath\":\"p\"}]}}]}")
.has_value());
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s\",\"relativePath\":\"p\"}]}}]}")
.has_value());
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":1,"
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s\",\"relativePath\":\"p\"}]}}]}")
.has_value());
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":1,\"hash\":\"h\"}]}").has_value());
// Negative length.
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":-1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s\",\"relativePath\":\"p\"}]}}]}")
.has_value());
// A nested index that is not exactly one sample (zero and two).
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[]}}]}").has_value());
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s1\",\"relativePath\":\"p\"},"
"{\"id\":\"s2\",\"relativePath\":\"q\"}]}}]}").has_value());
// A nested sample BankModel::add drops (absolute path) fails the entry —
// the silent drop must not half-parse into an empty index.
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s\","
"\"relativePath\":\"C:/abs.wav\"}]}}]}").has_value());
// An out-of-range enum inside the nested Sample blob fails the entry: the
// manifest defines no enum of its own, and bank_model's codec REJECTS an
// unknown sourceMode/tier rather than degrading — so growing one of those
// vocabularies is a minReaderVersion bump, not an additive change (see this
// directory's CLAUDE.md).
CHECK(!deserializeManifest(
"{\"entries\":[{\"name\":\"a.wav\",\"length\":1,\"hash\":\"h\","
"\"index\":{\"version\":1,\"samples\":[{\"id\":\"s\",\"relativePath\":\"p\","
"\"sourceMode\":99}]}}]}").has_value());
// Trailing garbage after the root object.
auto json = serializeManifest(fixture());
CHECK(json.has_value());
CHECK(!deserializeManifest(*json + "x").has_value());
// Truncation at a few JSON-level offsets (byte-level truncation of the whole
// package is bank_package's suite).
CHECK(!deserializeManifest(json->substr(0, json->size() / 2)).has_value());
CHECK(!deserializeManifest(json->substr(0, 1)).has_value());
}
int main() {
testRoundTripEveryField();
testEmptyManifestRoundTrips();
testUnknownKeysSkippedAtEveryLevel();
testEncodeRejectsBadEntryName();
testDecodeRejectsBadEntryName();
testDuplicateEntryNamesRejectedBothWays();
testEncodeRejectsUnrepresentableSample();
testDecodeRejectsMalformedShapes();
if (g_fail == 0) {
std::printf("package_manifest_tests: all passed\n");
return 0;
}
std::printf("package_manifest_tests: %d failure(s)\n", g_fail);
return 1;
}