Tools/TestWebKitAPI/Tests/WebKitCocoa/JSBuffer.mm

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#import "config.h"

#import "PlatformUtilities.h"
#import "TestWKWebView.h"
#import <WebKit/WKUserContentControllerPrivate.h>
#import <WebKit/_WKJSBuffer.h>

TEST(JSBuffer, Data)
{
    RetainPtr oddLength = adoptNS([[_WKJSBuffer alloc] initWithData:[NSData dataWithBytes:"abc" length:3]]);
    RetainPtr evenLength = adoptNS([[_WKJSBuffer alloc] initWithData:[NSData dataWithBytes:"abcd" length:4]]);
    RetainPtr invalidSurrogatePair = adoptNS([[_WKJSBuffer alloc] initWithData:[NSData dataWithBytes:"\x3d\xd8\x27\x00\xff\xff\x00\x00" length:8]]);
    RetainPtr configuration = adoptNS([WKWebViewConfiguration new]);
    [configuration.get().userContentController _addBuffer:oddLength.get() contentWorld:WKContentWorld.pageWorld name:@"oddLength"];
    [configuration.get().userContentController _addBuffer:evenLength.get() contentWorld:WKContentWorld.pageWorld name:@"evenLength"];
    [configuration.get().userContentController _addBuffer:invalidSurrogatePair.get() contentWorld:WKContentWorld.pageWorld name:@"invalidSurrogatePair"];
    RetainPtr webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectZero configuration:configuration.get()]);

    EXPECT_WK_STREQ([webView objectByEvaluatingJavaScript:@"window.webkit.buffers.oddLength.asLatin1String()"], "abc");
    EXPECT_WK_STREQ([webView objectByCallingAsyncFunction:@"try { return window.webkit.buffers.oddLength.asUTF16String() } catch(e) { return 'threw ' + e; }" withArguments:nil], "threw RangeError: Bad value");

    EXPECT_WK_STREQ([webView objectByEvaluatingJavaScript:@"window.webkit.buffers.evenLength.asLatin1String()"], "abcd");
    EXPECT_WK_STREQ([webView objectByEvaluatingJavaScript:@"window.webkit.buffers.evenLength.asUTF16String()"], @"\u6261\u6463");

    NSArray *actual = [webView objectByCallingAsyncFunction:@"let s = window.webkit.buffers.invalidSurrogatePair.asUTF16String(); return [s.charCodeAt(0), s.charCodeAt(1), s.charCodeAt(2), s.charCodeAt(3), s.length]" withArguments:nil];
    NSArray *expected = @[
        @55357,
        @39,
        @65535,
        @0,
        @4
    ];
    EXPECT_TRUE([actual isEqual:expected]);
    EXPECT_TRUE([[webView objectByEvaluatingJavaScript:@"window.webkit.buffers.invalidSurrogatePair.asLatin1String()"] isEqualToString:@"\u003D\u00D8\u0027\0\u00FF\u00FF\0\0"]);
}

TEST(JSBuffer, IDLExposed)
{
    RetainPtr webView = adoptNS([TestWKWebView new]);
    EXPECT_FALSE([[webView objectByEvaluatingJavaScript:@"!!window.WebKitBuffer"] boolValue]);
    EXPECT_FALSE([[webView objectByEvaluatingJavaScript:@"!!window.WebKitBufferNamespace"] boolValue]);
}