Merge "Fix CharsetUtf8PerfTest." (9795cfad) · Commits · e / os / android_frameworks_base

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);
		}
		}