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Commit b1af4c8b authored by Miguel Aranda's avatar Miguel Aranda Committed by Automerger Merge Worker
Browse files

Merge "Fix CharsetUtf8PerfTest." am: 9795cfad am: 72cb9f5d 

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2145779



Change-Id: I6ca2cebbcde709040576890bab5df67486148a8b
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 6e56f96c 72cb9f5d

apct-tests/perftests/core/src/android/libcore/regression/CharsetUtf8PerfTest.java

+7 −14
Original line number Diff line number Diff line
@@ -37,9 +37,7 @@ import java.nio.charset.Charset; 
public class CharsetUtf8PerfTest {

    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();



    private final int mNoOfBytes = 0x100; // 4MB



    private void makeUnicodeRange(int startingCodePoint, int endingCodePoint, int repeated) {

    private void makeUnicodeRange(int startingCodePoint, int endingCodePoint) {

        StringBuilder builder = new StringBuilder();

        for (int codePoint = startingCodePoint; codePoint <= endingCodePoint; codePoint++) {

            if (codePoint < Character.MIN_SURROGATE || codePoint > Character.MAX_SURROGATE) {
@@ -48,35 +46,30 @@ public class CharsetUtf8PerfTest { 
        }



        String str = builder.toString();

        StringBuilder builder2 = new StringBuilder();

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            for (int i = 0; i < repeated; i++) {

            StringBuilder builder2 = new StringBuilder();

            builder2.append(str);

        }

    }

    }



    @Test

    public void time_ascii() {

        makeUnicodeRange(0, 0x7f, mNoOfBytes / 0x80);

        makeUnicodeRange(0, 0x7f);

    }



    @Test

    public void time_bmp2() {

        makeUnicodeRange(0x0080, 0x07ff, mNoOfBytes / 2 / 0x780);

        makeUnicodeRange(0x0080, 0x07ff);

    }



    @Test

    public void time_bmp3() {

        makeUnicodeRange(

                0x0800,

                0xffff,

                mNoOfBytes / 3 / 0xf000 /* 0x10000 - 0x0800 - no of surrogate code points */);

        makeUnicodeRange(0x0800, 0xffff);

    }



    @Test

    public void time_supplementary() {

        makeUnicodeRange(0x10000, 0x10ffff, mNoOfBytes / 4 / 0x100000);

        makeUnicodeRange(0x10000, 0x10ffff);

    }

}