| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import junit.framework.Assert; |
| |
| public class Main { |
| public static void main(String args[]) { |
| test_Double_doubleToRawLongBits(); |
| test_Double_longBitsToDouble(); |
| test_Float_floatToRawIntBits(); |
| test_Float_intBitsToFloat(); |
| test_Math_abs_I(); |
| test_Math_abs_J(); |
| test_Math_min(); |
| test_Math_max(); |
| test_StrictMath_abs_I(); |
| test_StrictMath_abs_J(); |
| test_StrictMath_min(); |
| test_StrictMath_max(); |
| test_String_charAt(); |
| test_String_compareTo(); |
| test_String_indexOf(); |
| test_String_isEmpty(); |
| test_String_length(); |
| } |
| |
| public static void test_String_length() { |
| String str0 = ""; |
| String str1 = "x"; |
| String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789"; |
| |
| Assert.assertEquals(str0.length(), 0); |
| Assert.assertEquals(str1.length(), 1); |
| Assert.assertEquals(str80.length(), 80); |
| |
| String strNull = null; |
| try { |
| strNull.length(); |
| Assert.fail(); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| public static void test_String_isEmpty() { |
| String str0 = ""; |
| String str1 = "x"; |
| |
| Assert.assertTrue(str0.isEmpty()); |
| Assert.assertFalse(str1.isEmpty()); |
| |
| String strNull = null; |
| try { |
| strNull.isEmpty(); |
| Assert.fail(); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| public static void test_String_charAt() { |
| String testStr = "Now is the time"; |
| |
| Assert.assertEquals('N', testStr.charAt(0)); |
| Assert.assertEquals('o', testStr.charAt(1)); |
| Assert.assertEquals(' ', testStr.charAt(10)); |
| Assert.assertEquals('e', testStr.charAt(testStr.length()-1)); |
| |
| try { |
| testStr.charAt(-1); |
| Assert.fail(); |
| } catch (StringIndexOutOfBoundsException expected) { |
| } |
| try { |
| testStr.charAt(80); |
| Assert.fail(); |
| } catch (StringIndexOutOfBoundsException expected) { |
| } |
| |
| String strNull = null; |
| try { |
| strNull.charAt(0); |
| Assert.fail(); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| static int start; |
| public static void test_String_indexOf() { |
| String str0 = ""; |
| String str1 = "/"; |
| String str3 = "abc"; |
| String str10 = "abcdefghij"; |
| String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc"; |
| |
| int supplementaryChar = 0x20b9f; |
| String surrogatePair = "\ud842\udf9f"; |
| String stringWithSurrogates = "hello " + surrogatePair + " world"; |
| |
| Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length()); |
| Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length()); |
| Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6); |
| Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1); |
| |
| Assert.assertEquals(str0.indexOf('a'), -1); |
| Assert.assertEquals(str3.indexOf('a'), 0); |
| Assert.assertEquals(str3.indexOf('b'), 1); |
| Assert.assertEquals(str3.indexOf('c'), 2); |
| Assert.assertEquals(str10.indexOf('j'), 9); |
| Assert.assertEquals(str40.indexOf('a'), 0); |
| Assert.assertEquals(str40.indexOf('b'), 38); |
| Assert.assertEquals(str40.indexOf('c'), 39); |
| Assert.assertEquals(str0.indexOf('a',20), -1); |
| Assert.assertEquals(str0.indexOf('a',0), -1); |
| Assert.assertEquals(str0.indexOf('a',-1), -1); |
| Assert.assertEquals(str1.indexOf('/',++start), -1); |
| Assert.assertEquals(str3.indexOf('a',0), 0); |
| Assert.assertEquals(str3.indexOf('a',1), -1); |
| Assert.assertEquals(str3.indexOf('a',1234), -1); |
| Assert.assertEquals(str3.indexOf('b',0), 1); |
| Assert.assertEquals(str3.indexOf('b',1), 1); |
| Assert.assertEquals(str3.indexOf('c',2), 2); |
| Assert.assertEquals(str10.indexOf('j',5), 9); |
| Assert.assertEquals(str10.indexOf('j',9), 9); |
| Assert.assertEquals(str40.indexOf('a',10), 10); |
| Assert.assertEquals(str40.indexOf('b',40), -1); |
| |
| String strNull = null; |
| try { |
| strNull.indexOf('a'); |
| Assert.fail(); |
| } catch (NullPointerException expected) { |
| } |
| try { |
| strNull.indexOf('a', 0); |
| Assert.fail(); |
| } catch (NullPointerException expected) { |
| } |
| try { |
| strNull.indexOf('a', -1); |
| Assert.fail(); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| public static void test_String_compareTo() { |
| String test = "0123456789"; |
| String test1 = new String("0123456789"); // different object |
| String test2 = new String("0123456780"); // different value |
| String offset = new String("xxx0123456789yyy"); |
| String sub = offset.substring(3, 13); |
| String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; |
| String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy"; |
| String lc = "abcdefg"; |
| String uc = "ABCDEFG"; |
| Object blah = new Object(); |
| |
| Assert.assertTrue(lc.toUpperCase().equals(uc)); |
| |
| Assert.assertEquals(str32.compareTo(str33), -1); |
| Assert.assertEquals(str33.compareTo(str32), 1); |
| |
| Assert.assertTrue(test.equals(test)); |
| Assert.assertTrue(test.equals(test1)); |
| Assert.assertFalse(test.equals(test2)); |
| |
| Assert.assertEquals(test.compareTo(test1), 0); |
| Assert.assertTrue(test1.compareTo(test2) > 0); |
| Assert.assertTrue(test2.compareTo(test1) < 0); |
| |
| // Compare string with a nonzero offset, in left/right side. |
| Assert.assertEquals(test.compareTo(sub), 0); |
| Assert.assertEquals(sub.compareTo(test), 0); |
| Assert.assertTrue(test.equals(sub)); |
| Assert.assertTrue(sub.equals(test)); |
| // Same base, one is a substring. |
| Assert.assertFalse(offset.equals(sub)); |
| Assert.assertFalse(sub.equals(offset)); |
| // Wrong class. |
| Assert.assertFalse(test.equals(blah)); |
| |
| // Null lhs - throw. |
| try { |
| test.compareTo(null); |
| Assert.fail("didn't get expected npe"); |
| } catch (NullPointerException npe) { |
| } |
| // Null rhs - okay. |
| Assert.assertFalse(test.equals(null)); |
| |
| test = test.substring(1); |
| Assert.assertTrue(test.equals("123456789")); |
| Assert.assertFalse(test.equals(test1)); |
| |
| test = test.substring(1); |
| Assert.assertTrue(test.equals("23456789")); |
| |
| test = test.substring(1); |
| Assert.assertTrue(test.equals("3456789")); |
| |
| test = test.substring(1); |
| Assert.assertTrue(test.equals("456789")); |
| |
| test = test.substring(3,5); |
| Assert.assertTrue(test.equals("78")); |
| |
| test = "this/is/a/path"; |
| String[] strings = test.split("/"); |
| Assert.assertEquals(4, strings.length); |
| |
| Assert.assertEquals("this is a path", test.replaceAll("/", " ")); |
| Assert.assertEquals("this is a path", test.replace("/", " ")); |
| } |
| |
| public static void test_Math_abs_I() { |
| Assert.assertEquals(Math.abs(0), 0); |
| Assert.assertEquals(Math.abs(123), 123); |
| Assert.assertEquals(Math.abs(-123), 123); |
| Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE); |
| Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE); |
| Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE); |
| Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE); |
| } |
| |
| public static void test_Math_abs_J() { |
| Assert.assertEquals(Math.abs(0L), 0L); |
| Assert.assertEquals(Math.abs(123L), 123L); |
| Assert.assertEquals(Math.abs(-123L), 123L); |
| Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE); |
| Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE); |
| Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE); |
| } |
| |
| public static void test_Math_min() { |
| Assert.assertEquals(Math.min(0, 0), 0); |
| Assert.assertEquals(Math.min(1, 0), 0); |
| Assert.assertEquals(Math.min(0, 1), 0); |
| Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0); |
| Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE); |
| Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE); |
| } |
| |
| public static void test_Math_max() { |
| Assert.assertEquals(Math.max(0, 0), 0); |
| Assert.assertEquals(Math.max(1, 0), 1); |
| Assert.assertEquals(Math.max(0, 1), 1); |
| Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0); |
| Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| } |
| |
| public static void test_StrictMath_abs_I() { |
| Assert.assertEquals(StrictMath.abs(0), 0); |
| Assert.assertEquals(StrictMath.abs(123), 123); |
| Assert.assertEquals(StrictMath.abs(-123), 123); |
| Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE); |
| Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE); |
| Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE); |
| Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE); |
| } |
| |
| public static void test_StrictMath_abs_J() { |
| Assert.assertEquals(StrictMath.abs(0L), 0L); |
| Assert.assertEquals(StrictMath.abs(123L), 123L); |
| Assert.assertEquals(StrictMath.abs(-123L), 123L); |
| Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE); |
| Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE); |
| Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE); |
| } |
| |
| public static void test_StrictMath_min() { |
| Assert.assertEquals(StrictMath.min(0, 0), 0); |
| Assert.assertEquals(StrictMath.min(1, 0), 0); |
| Assert.assertEquals(StrictMath.min(0, 1), 0); |
| Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0); |
| Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE); |
| Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE); |
| } |
| |
| public static void test_StrictMath_max() { |
| Assert.assertEquals(StrictMath.max(0, 0), 0); |
| Assert.assertEquals(StrictMath.max(1, 0), 1); |
| Assert.assertEquals(StrictMath.max(0, 1), 1); |
| Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0); |
| Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| } |
| |
| public static void test_Float_floatToRawIntBits() { |
| Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000); |
| Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0); |
| Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000); |
| Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000); |
| Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000); |
| Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000); |
| } |
| |
| public static void test_Float_intBitsToFloat() { |
| Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f); |
| Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f); |
| Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f); |
| Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN); |
| Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY); |
| Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY); |
| } |
| |
| public static void test_Double_doubleToRawLongBits() { |
| Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L); |
| Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L); |
| Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L); |
| Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L); |
| Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L); |
| Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L); |
| } |
| |
| public static void test_Double_longBitsToDouble() { |
| Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0); |
| Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0); |
| Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0); |
| Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN); |
| Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY); |
| Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY); |
| } |
| } |