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add some tests to Integers.java

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This commit is contained in:
Joel Dice 2009-03-13 18:22:34 -06:00
parent 4c27755a53
commit eb45ec7611
1 changed files with 101 additions and 0 deletions
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101
test/Integers.java
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@ -65,6 +65,105 @@ public class Integers {
expect(~a == ~5); expect(~a == ~5);
} }
{ int a = -5;
int b = 1234567;
expect(a >> b == -5 >> 2);
expect(a >>> b == -5 >>> 2);
expect(a << b == -5 << 2);
expect(a + b == -5 + 2);
expect(a - b == -5 - 2);
expect(a * b == -5 * 2);
expect(a / b == -5 / 2);
expect(a % b == -5 % 2);
expect((a & b) == (-5 & 2));
expect((a | b) == (-5 | 2));
expect((a ^ b) == (-5 ^ 2));
expect(-a == 5);
expect(~a == ~-5);
a = 5;
b = 1234567;
expect(a >> b == 5 >> 2);
expect(a >>> b == 5 >>> 2);
expect(a << b == 5 << 2);
expect(a + b == 5 + 2);
expect(a - b == 5 - 2);
expect(a * b == 5 * 2);
expect(a / b == 5 / 2);
expect(a % b == 5 % 2);
expect((a & b) == (5 & 2));
expect((a | b) == (5 | 2));
expect((a ^ b) == (5 ^ 2));
expect(-a == -5);
expect(~a == ~5);
}
{ int a = -1223457;
int b = 2;
expect(a >> b == -5 >> 2);
expect(a >>> b == -5 >>> 2);
expect(a << b == -5 << 2);
expect(a + b == -5 + 2);
expect(a - b == -5 - 2);
expect(a * b == -5 * 2);
expect(a / b == -5 / 2);
expect(a % b == -5 % 2);
expect((a & b) == (-5 & 2));
expect((a | b) == (-5 | 2));
expect((a ^ b) == (-5 ^ 2));
expect(-a == 5);
expect(~a == ~-5);
a = 1234567;
b = 2;
expect(a >> b == 5 >> 2);
expect(a >>> b == 5 >>> 2);
expect(a << b == 5 << 2);
expect(a + b == 5 + 2);
expect(a - b == 5 - 2);
expect(a * b == 5 * 2);
expect(a / b == 5 / 2);
expect(a % b == 5 % 2);
expect((a & b) == (5 & 2));
expect((a | b) == (5 | 2));
expect((a ^ b) == (5 ^ 2));
expect(-a == -5);
expect(~a == ~5);
}
{ int a = -1223457;
int b = 1234567;
expect(a >> b == -5 >> 2);
expect(a >>> b == -5 >>> 2);
expect(a << b == -5 << 2);
expect(a + b == -5 + 2);
expect(a - b == -5 - 2);
expect(a * b == -5 * 2);
expect(a / b == -5 / 2);
expect(a % b == -5 % 2);
expect((a & b) == (-5 & 2));
expect((a | b) == (-5 | 2));
expect((a ^ b) == (-5 ^ 2));
expect(-a == 5);
expect(~a == ~-5);
a = 1234567;
b = 1234567;
expect(a >> b == 5 >> 2);
expect(a >>> b == 5 >>> 2);
expect(a << b == 5 << 2);
expect(a + b == 5 + 2);
expect(a - b == 5 - 2);
expect(a * b == 5 * 2);
expect(a / b == 5 / 2);
expect(a % b == 5 % 2);
expect((a & b) == (5 & 2));
expect((a | b) == (5 | 2));
expect((a ^ b) == (5 ^ 2));
expect(-a == -5);
expect(~a == ~5);
}
{ int get_buffer = 2144642881; { int get_buffer = 2144642881;
int bits_left = 30; int bits_left = 30;
int l = 9; int l = 9;
@ -84,5 +183,7 @@ public class Integers {
int y = -11760768; int y = -11760768;
expect((y + 0x8000) == (-11760768 + 0x8000)); expect((y + 0x8000) == (-11760768 + 0x8000));
expect(Math.min(796, 1069) == 796);
} }
} }