diff options
Diffstat (limited to 'test/IntMath/IntMath.java')
-rw-r--r-- | test/IntMath/IntMath.java | 805 |
1 files changed, 805 insertions, 0 deletions
diff --git a/test/IntMath/IntMath.java b/test/IntMath/IntMath.java new file mode 100644 index 0000000..c13a79a --- /dev/null +++ b/test/IntMath/IntMath.java @@ -0,0 +1,805 @@ +// Copyright 2011 Google Inc. All Rights Reserved. + +class IntMath { + + public static boolean mBoolean1, mBoolean2; + public static byte mByte1, mByte2; + public static char mChar1, mChar2; + public static short mShort1, mShort2; + public static int mInt1, mInt2; + public static float mFloat1, mFloat2; + public static long mLong1, mLong2; + public static double mDouble1, mDouble2; + public static volatile long mVolatileLong1, mVolatileLong2; + + + private int foo_; + + public IntMath(int stuff) { + foo_ = stuff; + } + + public IntMath() { + foo_ = 123; + } + + static int staticFieldTest(int x) { + mBoolean1 = true; + mBoolean2 = false; + mByte1 = 127; + mByte2 = -128; + mChar1 = 32767; + mChar2 = 65535; + mShort1 = 32767; + mShort2 = -32768; + mInt1 = 65537; + mInt2 = -65537; + mFloat1 = 3.1415f; + mFloat2 = -1.0f / 0.0f; // -inf + mLong1 = 1234605616436508552L; // 0x1122334455667788 + mLong2 = -1234605616436508552L; + mDouble1 = 3.1415926535; + mDouble2 = 1.0 / 0.0; // +inf + mVolatileLong1 = mLong1 - 1; + mVolatileLong2 = mLong2 + 1; + + if (!mBoolean1) { return 10; } + if (mBoolean2) { return 11; } + if (mByte1 != 127) { return 12; } + if (mByte2 != -128) { return 13; } + if (mChar1 != 32767) { return 14; } + if (mChar2 != 65535) { return 15; } + if (mShort1 != 32767) { return 16; } + if (mShort2 != -32768) { return 17; } + if (mInt1 != 65537) { return 18; } + if (mInt2 != -65537) { return 19; } + if (!(mFloat1 > 3.141f && mFloat1 < 3.142f)) { return 20; } + if (mFloat2 >= mFloat1) { return 21; } + if (mLong1 != 1234605616436508552L) { return 22; } + if (mLong2 != -1234605616436508552L) { return 23; } + if (!(mDouble1 > 3.141592653 && mDouble1 < 3.141592654)) { return 24; } + if (mDouble2 <= mDouble1) { return 25; } + if (mVolatileLong1 != 1234605616436508551L) { return 26; } + if (mVolatileLong2 != -1234605616436508551L) { return 27; } + + return 1000 + x; + } + + /* + * Try to cause some unary operations. + */ + static int unopTest(int x) { + x = -x; + x ^= 0xffffffff; + return x; + } + + static int shiftTest1() { + final int[] mBytes = { + 0x11, 0x22, 0x33, 0x44, 0x88, 0x99, 0xaa, 0xbb + }; + long l; + int i1, i2; + + if (mBytes[0] != 0x11) return 20; + if (mBytes[1] != 0x22) return 21; + if (mBytes[2] != 0x33) return 22; + if (mBytes[3] != 0x44) return 23; + if (mBytes[4] != 0x88) return 24; + if (mBytes[5] != 0x99) return 25; + if (mBytes[6] != 0xaa) return 26; + if (mBytes[7] != 0xbb) return 27; + + i1 = mBytes[0] | mBytes[1] << 8 | mBytes[2] << 16 | mBytes[3] << 24; + i2 = mBytes[4] | mBytes[5] << 8 | mBytes[6] << 16 | mBytes[7] << 24; + l = i1 | ((long)i2 << 32); + + if (i1 != 0x44332211) { return 0x80000000 | i1; } + if (i2 != 0xbbaa9988) { return 2; } + if (l != 0xbbaa998844332211L) { return 3; } + + l = (long)mBytes[0] + | (long)mBytes[1] << 8 + | (long)mBytes[2] << 16 + | (long)mBytes[3] << 24 + | (long)mBytes[4] << 32 + | (long)mBytes[5] << 40 + | (long)mBytes[6] << 48 + | (long)mBytes[7] << 56; + + if (l != 0xbbaa998844332211L) { return 4; } + return 0; + } + + static int shiftTest2() { + + long a = 0x11; + long b = 0x22; + long c = 0x33; + long d = 0x44; + long e = 0x55; + long f = 0x66; + long g = 0x77; + long h = 0x88; + + long result = ((a << 56) | (b << 48) | (c << 40) | (d << 32) | + (e << 24) | (f << 16) | (g << 8) | h); + + if (result != 0x1122334455667788L) { return 1; } + return 0; + } + + static int unsignedShiftTest() { + byte b = -4; + short s = -4; + char c = 0xfffc; + int i = -4; + + b >>>= 4; + s >>>= 4; + c >>>= 4; + i >>>= 4; + + if ((int) b != -1) { return 1; } + if ((int) s != -1) { return 2; } + if ((int) c != 0x0fff) { return 3; } + if (i != 268435455) { return 4; } + return 0; + } + + static int convTest() { + + float f; + double d; + int i; + long l; + + /* int --> long */ + i = 7654; + l = (long) i; + if (l != 7654L) { return 1; } + + i = -7654; + l = (long) i; + if (l != -7654L) { return 2; } + + /* long --> int (with truncation) */ + l = 5678956789L; + i = (int) l; + if (i != 1383989493) { return 3; } + + l = -5678956789L; + i = (int) l; + if (i != -1383989493) { return 4; } + return 0; + } + + static int charSubTest() { + + char char1 = 0x00e9; + char char2 = 0xffff; + int i; + + /* chars are unsigned-expanded to ints before subtraction */ + i = char1 - char2; + if (i != 0xffff00ea) { return 1; } + return 0; + } + + /* + * We pass in the arguments and return the results so the compiler + * doesn't do the math for us. (x=70000, y=-3) + */ + static int intOperTest(int x, int y) { + int[] results = new int[10]; + + /* this seems to generate "op-int" instructions */ + results[0] = x + y; + results[1] = x - y; + results[2] = x * y; + results[3] = x * x; + results[4] = x / y; + results[5] = x % -y; + results[6] = x & y; + results[7] = x | y; + results[8] = x ^ y; + + /* this seems to generate "op-int/2addr" instructions */ + results[9] = x + ((((((((x + y) - y) * y) / y) % y) & y) | y) ^ y); + + /* check this edge case while we're here (div-int/2addr) */ + int minInt = -2147483648; + int negOne = -results[5]; + int plusOne = 1; + int result = (((minInt + plusOne) - plusOne) / negOne) / negOne; + + if (result != minInt) { return 1;}; + if (results[0] != 69997) { return 2;}; + if (results[1] != 70003) { return 3;}; + if (results[2] != -210000) { return 4;}; + if (results[3] != 605032704) { return 5;}; + if (results[4] != -23333) { return 6;}; + if (results[5] != 1) { return 7;}; + if (results[6] != 70000) { return 8;}; + if (results[7] != -3) { return 9;}; + if (results[8] != -70003) { return 10;}; + if (results[9] != 70000) { return 11;}; + + return 0; + } + + /* + * More operations, this time with 16-bit constants. (x=77777) + */ + static int lit16Test(int x) { + + int[] results = new int[8]; + + /* try to generate op-int/lit16" instructions */ + results[0] = x + 1000; + results[1] = 1000 - x; + results[2] = x * 1000; + results[3] = x / 1000; + results[4] = x % 1000; + results[5] = x & 1000; + results[6] = x | -1000; + results[7] = x ^ -1000; + + if (results[0] != 78777) { return 1; } + if (results[1] != -76777) { return 2; } + if (results[2] != 77777000) { return 3; } + if (results[3] != 77) { return 4; } + if (results[4] != 777) { return 5; } + if (results[5] != 960) { return 6; } + if (results[6] != -39) { return 7; } + if (results[7] != -76855) { return 8; } + return 0; + } + + /* + * More operations, this time with 8-bit constants. (x=-55555) + */ + static int lit8Test(int x) { + + int[] results = new int[8]; + + /* try to generate op-int/lit8" instructions */ + results[0] = x + 10; + results[1] = 10 - x; + results[2] = x * 10; + results[3] = x / 10; + results[4] = x % 10; + results[5] = x & 10; + results[6] = x | -10; + results[7] = x ^ -10; + int minInt = -2147483648; + int result = minInt / -1; + if (result != minInt) {return 1; } + if (results[0] != -55545) {return 2; } + if (results[1] != 55565) {return 3; } + if (results[2] != -555550) {return 4; } + if (results[3] != -5555) {return 5; } + if (results[4] != -5) {return 6; } + if (results[5] != 8) {return 7; } + if (results[6] != -1) {return 8; } + if (results[7] != 55563) {return 9; } + return 0; + } + + + /* + * Shift some data. (value=0xff00aa01, dist=8) + */ + static int intShiftTest(int value, int dist) { + int results[] = new int[4]; + results[0] = value << dist; + results[1] = value >> dist; + results[2] = value >>> dist; + results[3] = (((value << dist) >> dist) >>> dist) << dist; + if (results[0] != 0x00aa0100) {return 1; } + if (results[1] != 0xffff00aa) {return 2; } + if (results[2] != 0x00ff00aa) {return 3; } + if (results[3] != 0xaa00) {return 4; } + return 0; + } + + /* + * We pass in the arguments and return the results so the compiler + * doesn't do the math for us. (x=70000000000, y=-3) + */ + static int longOperTest(long x, long y) { + long[] results = new long[10]; + + /* this seems to generate "op-long" instructions */ + results[0] = x + y; + results[1] = x - y; + results[2] = x * y; + results[3] = x * x; + results[4] = x / y; + results[5] = x % -y; + results[6] = x & y; + results[7] = x | y; + results[8] = x ^ y; + /* this seems to generate "op-long/2addr" instructions */ + results[9] = x + ((((((((x + y) - y) * y) / y) % y) & y) | y) ^ y); + /* check this edge case while we're here (div-long/2addr) */ + long minLong = -9223372036854775808L; + long negOne = -results[5]; + long plusOne = 1; + long result = (((minLong + plusOne) - plusOne) / negOne) / negOne; + if (result != minLong) { return 1; } + if (results[0] != 69999999997L) { return 2; } + if (results[1] != 70000000003L) { return 3; } + if (results[2] != -210000000000L) { return 4; } + if (results[3] != -6833923606740729856L) { return 5; } // overflow + if (results[4] != -23333333333L) { return 6; } + if (results[5] != 1) { return 7; } + if (results[6] != 70000000000L) { return 8; } + if (results[7] != -3) { return 9; } + if (results[8] != -70000000003L) { return 10; } + if (results[9] != 70000000000L) { return 11; } + if (results.length != 10) { return 12; } + return 0; + } + + /* + * Shift some data. (value=0xd5aa96deff00aa01, dist=16) + */ + static long longShiftTest(long value, int dist) { + long results[] = new long[4]; + results[0] = value << dist; + results[1] = value >> dist; + results[2] = value >>> dist; + results[3] = (((value << dist) >> dist) >>> dist) << dist; + if (results[0] != 0x96deff00aa010000L) { return results[0]; } + if (results[1] != 0xffffd5aa96deff00L) { return results[1]; } + if (results[2] != 0x0000d5aa96deff00L) { return results[2]; } + if (results[3] != 0xffff96deff000000L) { return results[3]; } + if (results.length != 4) { return 5; } + + return results[0]; // test return-long + } + + static int switchTest(int a) { + int res = 1234; + + switch (a) { + case -1: res = 1; return res; + case 0: res = 2; return res; + case 1: /*correct*/ break; + case 2: res = 3; return res; + case 3: res = 4; return res; + case 4: res = 5; return res; + default: res = 6; return res; + } + switch (a) { + case 3: res = 7; return res; + case 4: res = 8; return res; + default: /*correct*/ break; + } + + a = 0x12345678; + + switch (a) { + case 0x12345678: /*correct*/ break; + case 0x12345679: res = 9; return res; + default: res = 1; return res; + } + switch (a) { + case 57: res = 10; return res; + case -6: res = 11; return res; + case 0x12345678: /*correct*/ break; + case 22: res = 12; return res; + case 3: res = 13; return res; + default: res = 14; return res; + } + switch (a) { + case -6: res = 15; return res; + case 3: res = 16; return res; + default: /*correct*/ break; + } + + a = -5; + switch (a) { + case 12: res = 17; return res; + case -5: /*correct*/ break; + case 0: res = 18; return res; + default: res = 19; return res; + } + + switch (a) { + default: /*correct*/ break; + } + return res; + } + /* + * Test the integer comparisons in various ways. + */ + static int testIntCompare(int minus, int plus, int plus2, int zero) { + int res = 1111; + + if (minus > plus) + return 1; + if (minus >= plus) + return 2; + if (plus < minus) + return 3; + if (plus <= minus) + return 4; + if (plus == minus) + return 5; + if (plus != plus2) + return 6; + + /* try a branch-taken */ + if (plus != minus) { + res = res; + } else { + return 7; + } + + if (minus > 0) + return 8; + if (minus >= 0) + return 9; + if (plus < 0) + return 10; + if (plus <= 0) + return 11; + if (plus == 0) + return 12; + if (zero != 0) + return 13; + + if (zero == 0) { + res = res; + } else { + return 14; + } + return res; + } + + /* + * Test cmp-long. + * + * minus=-5, alsoMinus=0xFFFFFFFF00000009, plus=4, alsoPlus=8 + */ + static int testLongCompare(long minus, long alsoMinus, long plus, + long alsoPlus) { + int res = 2222; + + if (minus > plus) + return 2; + if (plus < minus) + return 3; + if (plus == minus) + return 4; + + if (plus >= plus+1) + return 5; + if (minus >= minus+1) + return 6; + + /* try a branch-taken */ + if (plus != minus) { + res = res; + } else { + return 7; + } + + /* compare when high words are equal but low words differ */ + if (plus > alsoPlus) + return 8; + if (alsoPlus < plus) + return 9; + if (alsoPlus == plus) + return 10; + + /* high words are equal, low words have apparently different signs */ + if (minus < alsoMinus) // bug! + return 11; + if (alsoMinus > minus) + return 12; + if (alsoMinus == minus) + return 13; + + return res; + } + + /* + * Test cmpl-float and cmpg-float. + */ + static int testFloatCompare(float minus, float plus, float plus2, + float nan) { + + int res = 3333; + if (minus > plus) + res = 1; + if (plus < minus) + res = 2; + if (plus == minus) + res = 3; + if (plus != plus2) + res = 4; + + if (plus <= nan) + res = 5; + if (plus >= nan) + res = 6; + if (minus <= nan) + res = 7; + if (minus >= nan) + res = 8; + if (nan >= plus) + res = 9; + if (nan <= plus) + res = 10; + + if (nan == nan) + res = 1212; + + return res; + } + + static int testDoubleCompare(double minus, double plus, double plus2, + double nan) { + + int res = 4444; + + if (minus > plus) + return 1; + if (plus < minus) + return 2; + if (plus == minus) + return 3; + if (plus != plus2) + return 4; + + if (plus <= nan) + return 5; + if (plus >= nan) + return 6; + if (minus <= nan) + return 7; + if (minus >= nan) + return 8; + if (nan >= plus) + return 9; + if (nan <= plus) + return 10; + + if (nan == nan) + return 11; + return res; + } + + static int fibonacci(int n) { + if (n == 0) { + return 0; + } else if (n == 1) { + return 1; + } else { + return fibonacci(n - 1) + fibonacci(n - 2); + } + } + + /* + static void throwNullPointerException() { + throw new NullPointerException("first throw"); + } + + static int throwAndCatch() { + try { + throwNullPointerException(); + return 1; + } catch (NullPointerException npe) { + return 0; + } + } + */ + + static int manyArgs(int a0, long a1, int a2, long a3, int a4, long a5, + int a6, int a7, double a8, float a9, double a10, short a11, int a12, + char a13, int a14, int a15, byte a16, boolean a17, int a18, int a19, + long a20, long a21, int a22, int a23, int a24, int a25, int a26) + { + if (a0 != 0) return 0; + if (a1 != 1L) return 1; + if (a2 != 2) return 2; + if (a3 != 3L) return 3; + if (a4 != 4) return 4; + if (a5 != 5L) return 5; + if (a6 != 6) return 6; + if (a7 != 7) return 7; + if (a8 != 8.0) return 8; + if (a9 != 9.0f) return 9; + if (a10 != 10.0) return 10; + if (a11 != (short)11) return 11; + if (a12 != 12) return 12; + if (a13 != (char)13) return 13; + if (a14 != 14) return 14; + if (a15 != 15) return 15; + if (a16 != (byte)-16) return 16; + if (a17 != true) return 17; + if (a18 != 18) return 18; + if (a19 != 19) return 19; + if (a20 != 20L) return 20; + if (a21 != 21L) return 21; + if (a22 != 22) return 22; + if (a23 != 23) return 23; + if (a24 != 24) return 24; + if (a25 != 25) return 25; + if (a26 != 26) return 26; + return -1; + } + + int virtualCall(int a) + { + return a * 2; + } + + void setFoo(int a) + { + foo_ = a; + } + + int getFoo() + { + return foo_; + } + + static int staticCall(int a) + { + IntMath foo = new IntMath(); + return foo.virtualCall(a); + } + + static int testIGetPut(int a) + { + IntMath foo = new IntMath(99); + IntMath foo123 = new IntMath(); + int z = foo.getFoo(); + z += a; + z += foo123.getFoo(); + foo.setFoo(z); + return foo.getFoo(); + } + + public static void main(String[] args) { + int res = unopTest(38); + if (res == 37) { + System.out.printf("unopTest PASSED\n"); + } else { + System.out.printf("unopTest FAILED: %d\n", res); + } + res = shiftTest1(); + if (res == 0) { + System.out.printf("shiftTest1 PASSED\n"); + } else { + System.out.printf("shiftTest1 FAILED: %d\n", res); + } + res = shiftTest2(); + if (res == 0) { + System.out.printf("shiftTest2 PASSED\n"); + } else { + System.out.printf("shiftTest2 FAILED: %d\n", res); + } + res = unsignedShiftTest(); + if (res == 0) { + System.out.printf("unsignedShiftTest PASSED\n"); + } else { + System.out.printf("unsignedShiftTest FAILED: %d\n", res); + } + res = convTest(); + if (res == 0) { + System.out.printf("convTest PASSED\n"); + } else { + System.out.printf("convTest FAILED: %d\n", res); + } + res = charSubTest(); + if (res == 0) { + System.out.printf("charSubTest PASSED\n"); + } else { + System.out.printf("charSubTest FAILED: %d\n", res); + } + res = intOperTest(70000, -3); + if (res == 0) { + System.out.printf("intOperTest PASSED\n"); + } else { + System.out.printf("intOperTest FAILED: %d\n", res); + } + res = longOperTest(70000000000L, -3L); + if (res == 0) { + System.out.printf("longOperTest PASSED\n"); + } else { + System.out.printf("longOperTest FAILED: %d\n", res); + } + long lres = longShiftTest(0xd5aa96deff00aa01L, 16); + if (lres == 0x96deff00aa010000L) { + System.out.printf("longShiftTest PASSED\n"); + } else { + System.out.printf("longShiftTest FAILED: %d\n", res); + } + + res = switchTest(1); + if (res == 1234) { + System.out.printf("switchTest PASSED\n"); + } else { + System.out.printf("switchTest FAILED: %d\n", res); + } + + res = testIntCompare(-5, 4, 4, 0); + if (res == 1111) { + System.out.printf("testIntCompare PASSED\n"); + } else { + System.out.printf("testIntCompare FAILED: %d\n", res); + } + + res = testLongCompare(-5L, -4294967287L, 4L, 8L); + if (res == 2222) { + System.out.printf("testLongCompare PASSED\n"); + } else { + System.out.printf("testLongCompare FAILED: %d\n", res); + } + + res = testFloatCompare(-5.0f, 4.0f, 4.0f, (1.0f/0.0f) / (1.0f/0.0f)); + if (res == 3333) { + System.out.printf("testFloatCompare PASSED\n"); + } else { + System.out.printf("testFloatCompare FAILED: %d\n", res); + } + + res = testDoubleCompare(-5.0, 4.0, 4.0, (1.0/0.0) / (1.0/0.0)); + if (res == 4444) { + System.out.printf("testDoubleCompare PASSED\n"); + } else { + System.out.printf("testDoubleCompare FAILED: %d\n", res); + } + + res = fibonacci(10); + if (res == 55) { + System.out.printf("fibonacci PASSED\n"); + } else { + System.out.printf("fibonacci FAILED: %d\n", res); + } + + /* + res = throwAndCatch(); + if (res == 0) { + System.out.printf("throwAndCatch PASSED\n"); + } else { + System.out.printf("throwAndCatch FAILED: %d\n", res); + } + */ + + res = manyArgs(0, 1L, 2, 3L, 4, 5L, 6, 7, 8.0, 9.0f, 10.0, + (short)11, 12, (char)13, 14, 15, (byte)-16, true, 18, + 19, 20L, 21L, 22, 23, 24, 25, 26); + if (res == -1) { + System.out.printf("manyArgs PASSED\n"); + } else { + System.out.printf("manyArgs FAILED: %d\n", res); + } + + res = staticCall(3); + if (res == 6) { + System.out.printf("virtualCall PASSED\n"); + } else { + System.out.printf("virtualCall FAILED: %d\n", res); + } + + res = testIGetPut(111); + if (res == 333) { + System.out.printf("testGetPut PASSED\n"); + } else { + System.out.printf("testGetPut FAILED: %d\n", res); + } + + res = staticFieldTest(404); + if (res == 1404) { + System.out.printf("staticFieldTest PASSED\n"); + } else { + System.out.printf("staticFieldTest FAILED: %d\n", res); + } + } +} |