Updating to minizip-ng 4.0.7 (#724)

* Updating to minizip-ng 4.0.7

* Adding HAVE_ICONV

Example/ObjectiveCExampleTests/ProgressDelegate.h

@@ -17,7 +17,8 @@
 @interface ProgressDelegate : NSObject <SSZipArchiveDelegate>
 {
 @public
-    NSMutableArray *progressEvents;
+    NSMutableArray<NSValue*> *fileInfos;
+    NSMutableArray<NSNumber*> *progressEvents;
 }
 
 @end

Example/ObjectiveCExampleTests/ProgressDelegate.m

@@ -12,6 +12,7 @@
 - (instancetype)init
 {
     self = super.init;
+    fileInfos = [NSMutableArray array];
     progressEvents = [NSMutableArray array];
     return self;
 }
@@ -27,6 +28,7 @@
 - (BOOL)zipArchiveShouldUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo
 {
     NSLog(@"*** zipArchiveShouldUnzipFileAtIndex: `%d` totalFiles: `%d` archivePath: `%@` fileInfo:", (int)fileIndex, (int)totalFiles, archivePath);
+    [fileInfos addObject:[NSValue value:&fileInfo withObjCType:@encode(unz_file_info)]];
     return YES;
 }
 

Example/ObjectiveCExampleTests/SSZipArchiveTests.m

@@ -221,6 +221,14 @@ int twentyMB = 20 * 1024 * 1024;
     XCTAssertTrue(619 == [delegate->progressEvents[1] intValue]);
     XCTAssertTrue(1114 == [delegate->progressEvents[2] intValue]);
     XCTAssertTrue(1436 == [delegate->progressEvents[3] intValue]);
+
+    XCTAssertTrue(2 == [delegate->fileInfos count], @"Expected 2 files");
+    unz_file_info info;
+    [delegate->fileInfos[0] getValue:&info];
+    // This test is to ensure that ZipArchive 2.x keeps support of `dos_date` instead of `dosDate`, despite the legacy name at:
+    // https://github.com/madler/zlib/blame/643e17b7498d12ab8d15565662880579692f769d/contrib/minizip/unzip.h#L138
+    // In ZipArchive 3, we should hide this outdated structure from public.
+    XCTAssertNotEqual(info.dos_date, 0);
 }