Security-57740.1.18.tar.gz

[apple/security.git] / KeychainCircle / Tests / KCDerTest.m

diff --git a/KeychainCircle/Tests/KCDerTest.m b/KeychainCircle/Tests/KCDerTest.m
new file mode 100644 (file)
index 0000000..c4dcc31
--- /dev/null
+++ b/KeychainCircle/Tests/KCDerTest.m
@@ -0,0 +1,114 @@
+//
+//  KCDerTest.m
+//  Security
+//
+//
+
+#import <XCTest/XCTest.h>
+
+#import <Foundation/Foundation.h>
+#import <KeychainCircle/KCDer.h>
+
+@interface KCDerTest : XCTestCase
+
+@end
+
+@implementation KCDerTest
+
+- (void)setUp {
+    [super setUp];
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+}
+
+- (void)tearDown {
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void) roundTripData: (NSData*) data {
+    NSError* error = nil;
+    size_t size = kcder_sizeof_data(data, &error);
+
+    XCTAssert(size != 0, @"Bad size: %@", data);
+
+    if (size == 0)
+        return;
+
+    uint8_t buffer[size];
+    error = nil;
+    uint8_t* beginning = kcder_encode_data(data, &error, buffer, buffer + sizeof(buffer));
+
+    XCTAssert(beginning != NULL, "Error encoding: %@", error);
+
+    if (beginning == NULL)
+        return;
+
+    XCTAssertEqual(beginning, &buffer[0], @"Size != buffer use");
+
+    NSData* recovered = nil;
+
+    error = nil;
+    const uint8_t* end = kcder_decode_data(&recovered, &error, buffer, buffer + sizeof(buffer));
+
+    XCTAssert(end != NULL, "Error decoding: %@", error);
+
+    if (end == NULL)
+        return;
+
+    XCTAssertEqual(end, buffer + sizeof(buffer), @"readback didn't use all the buffer");
+
+    XCTAssertEqualObjects(data, recovered, @"Didn't get equal object");
+
+}
+
+- (void)testData {
+    [self roundTripData: [NSData data]];
+
+    uint8_t bytes[] = { 1, 2, 3, 0xFF, 4, 0x0, 0xA };
+    [self roundTripData: [NSData dataWithBytes:bytes length:sizeof(bytes)]];
+}
+
+- (void) roundTripString: (NSString*) string {
+    NSError* error = nil;
+
+    size_t size = kcder_sizeof_string(string, &error);
+
+    XCTAssert(size != 0, @"Bad size: %@", string);
+
+    if (size == 0)
+        return;
+
+    uint8_t buffer[size];
+    error = nil;
+    uint8_t* beginning = kcder_encode_string(string, &error, buffer, buffer + sizeof(buffer));
+
+    XCTAssert(beginning != NULL, "Error encoding: %@", error);
+
+    if (beginning == NULL)
+        return;
+
+    XCTAssertEqual(beginning, &buffer[0], @"Size != buffer use");
+
+    NSString* recovered = nil;
+
+    error = nil;
+    const uint8_t* end = kcder_decode_string(&recovered, &error, buffer, buffer + sizeof(buffer));
+
+    XCTAssert(end != NULL, "Error decoding: %@", error);
+
+    if (end == NULL)
+        return;
+
+    XCTAssertEqual(end, buffer + sizeof(buffer), @"readback didn't use all the buffer");
+
+    XCTAssertEqualObjects(string, recovered, @"Didn't get equal object");
+    
+}
+
+- (void)testString {
+    [self roundTripString: [NSString stringWithCString:"Test" encoding:NSUTF8StringEncoding]];
+    [self roundTripString: [NSString stringWithCString:"ü😍🐸✝️₧➜" encoding:NSUTF8StringEncoding]];
+}
+
+
+@end