Tools/TestWebKitAPI/Tests/IPC/TransferStringObjCTests.mm

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#import "config.h"

#import "IPCTestUtilities.h"
#import "Helpers/Test.h"
#import "TransferString.h"
#import <Foundation/Foundation.h>

namespace TestWebKitAPI {

// Tests that NSString -> TransferString -> String is same as NSString -> String.
TEST(TransferStringTests, CreateFromNSString)
{
    Vector<Latin1Character> longLatin1Data(FillWith { }, 1024*1024, 'a');
    Vector<char16_t> longUnicodeData(FillWith { }, 1024*1200, u'a');

    RetainPtr<NSString> subcases[] = {
        nil,
        adoptNS(@""),
        adoptNS(@"ab"),
        adoptNS([[NSString alloc] initWithBytes:longLatin1Data.span().data() length:longLatin1Data.span().size() encoding:NSISOLatin1StringEncoding]),
        adoptNS([[NSString alloc] initWithBytes:longLatin1Data.span().data() length:longLatin1Data.span().size() encoding:NSUTF8StringEncoding]),
        adoptNS([[NSString alloc] initWithBytes:longUnicodeData.span().data() length:longUnicodeData.span().size() encoding:NSUnicodeStringEncoding])
    };

    bool bools[] = { false, true };
    for (bool releaseToCopy : bools) {
        for (auto& subcase : subcases) {
            String wtfString { subcase.get() };
            {
                SCOPED_TRACE(::testing::Message() << "TransferString(NSString *) releaseToCopy: " << releaseToCopy << " subcase: \"" << wtfString << "\"" << " ptr: " << static_cast<void*>(subcase.get()));
                auto ts = IPC::TransferString::create(subcase.get());
                EXPECT_TRUE(ts.has_value());
                auto string = releaseToCopy ? WTF::move(*ts).releaseToCopy() : WTF::move(*ts).release();
                ASSERT_TRUE(string.has_value());
                EXPECT_EQ(*string, wtfString);
            }

            {
                SCOPED_TRACE(::testing::Message() << "TransferString(NSString *) IPC encode/decode, releaseToCopy: " << releaseToCopy << " subcase: \"" << wtfString << "\"" << " ptr: " << static_cast<void*>(subcase.get()));
                auto ts = IPC::TransferString::create(subcase.get());
                EXPECT_TRUE(ts.has_value());
                auto tsAfterIPC = copyViaEncoder(*ts);
                ASSERT_TRUE(tsAfterIPC.has_value());
                auto string = releaseToCopy ? WTF::move(*tsAfterIPC).releaseToCopy() : WTF::move(*tsAfterIPC).release();
                ASSERT_TRUE(string.has_value());
                EXPECT_EQ(*string, wtfString);
            }
        }
    }
}

}