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MathUtilTest Class — netty Architecture

Architecture documentation for the MathUtilTest class in MathUtilTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  8801dbff_d528_c70f_64c7_b01fe1bdbc22["MathUtilTest"]
  280a6948_4ff2_aa04_61f2_d6b84490880c["MathUtilTest.java"]
  8801dbff_d528_c70f_64c7_b01fe1bdbc22 -->|defined in| 280a6948_4ff2_aa04_61f2_d6b84490880c
  152a2046_40e1_1ed4_5ab8_4b866664d6f1["testFindNextPositivePowerOfTwo()"]
  8801dbff_d528_c70f_64c7_b01fe1bdbc22 -->|method| 152a2046_40e1_1ed4_5ab8_4b866664d6f1
  40b06bae_3964_a195_4140_064dc9f5dc31["testSafeFindNextPositivePowerOfTwo()"]
  8801dbff_d528_c70f_64c7_b01fe1bdbc22 -->|method| 40b06bae_3964_a195_4140_064dc9f5dc31
  661663b3_1749_48db_d843_75b9d247395c["testIsOutOfBounds()"]
  8801dbff_d528_c70f_64c7_b01fe1bdbc22 -->|method| 661663b3_1749_48db_d843_75b9d247395c

Relationship Graph

Source Code

common/src/test/java/io/netty/util/internal/MathUtilTest.java lines 25–76

public class MathUtilTest {

    @Test
    public void testFindNextPositivePowerOfTwo() {
        assertEquals(1, findNextPositivePowerOfTwo(0));
        assertEquals(1, findNextPositivePowerOfTwo(1));
        assertEquals(1024, findNextPositivePowerOfTwo(1000));
        assertEquals(1024, findNextPositivePowerOfTwo(1023));
        assertEquals(2048, findNextPositivePowerOfTwo(2048));
        assertEquals(1 << 30, findNextPositivePowerOfTwo((1 << 30) - 1));
        assertEquals(1, findNextPositivePowerOfTwo(-1));
        assertEquals(1, findNextPositivePowerOfTwo(-10000));
    }

    @Test
    public void testSafeFindNextPositivePowerOfTwo() {
        assertEquals(1, safeFindNextPositivePowerOfTwo(0));
        assertEquals(1, safeFindNextPositivePowerOfTwo(1));
        assertEquals(1024, safeFindNextPositivePowerOfTwo(1000));
        assertEquals(1024, safeFindNextPositivePowerOfTwo(1023));
        assertEquals(2048, safeFindNextPositivePowerOfTwo(2048));
        assertEquals(1 << 30, safeFindNextPositivePowerOfTwo((1 << 30) - 1));
        assertEquals(1, safeFindNextPositivePowerOfTwo(-1));
        assertEquals(1, safeFindNextPositivePowerOfTwo(-10000));
        assertEquals(1 << 30, safeFindNextPositivePowerOfTwo(Integer.MAX_VALUE));
        assertEquals(1 << 30, safeFindNextPositivePowerOfTwo((1 << 30) + 1));
        assertEquals(1, safeFindNextPositivePowerOfTwo(Integer.MIN_VALUE));
        assertEquals(1, safeFindNextPositivePowerOfTwo(Integer.MIN_VALUE + 1));
    }

    @Test
    public void testIsOutOfBounds() {
        assertFalse(isOutOfBounds(0, 0, 0));
        assertFalse(isOutOfBounds(0, 0, 1));
        assertFalse(isOutOfBounds(0, 1, 1));
        assertTrue(isOutOfBounds(1, 1, 1));
        assertTrue(isOutOfBounds(Integer.MAX_VALUE, 1, 1));
        assertTrue(isOutOfBounds(Integer.MAX_VALUE, Integer.MAX_VALUE, 1));
        assertTrue(isOutOfBounds(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE));
        assertFalse(isOutOfBounds(0, Integer.MAX_VALUE, Integer.MAX_VALUE));
        assertFalse(isOutOfBounds(0, Integer.MAX_VALUE - 1, Integer.MAX_VALUE));
        assertTrue(isOutOfBounds(0, Integer.MAX_VALUE, Integer.MAX_VALUE - 1));
        assertFalse(isOutOfBounds(Integer.MAX_VALUE - 1, 1, Integer.MAX_VALUE));
        assertTrue(isOutOfBounds(Integer.MAX_VALUE - 1, 1, Integer.MAX_VALUE - 1));
        assertTrue(isOutOfBounds(Integer.MAX_VALUE - 1, 2, Integer.MAX_VALUE));
        assertTrue(isOutOfBounds(1, Integer.MAX_VALUE, Integer.MAX_VALUE));
        assertTrue(isOutOfBounds(0, 1, Integer.MIN_VALUE));
        assertTrue(isOutOfBounds(0, 1, -1));
        assertTrue(isOutOfBounds(0, Integer.MAX_VALUE, 0));
    }

}

Defined In

Source

Frequently Asked Questions

What is the MathUtilTest class?
MathUtilTest is a class in the netty codebase, defined in common/src/test/java/io/netty/util/internal/MathUtilTest.java.
Where is MathUtilTest defined?
MathUtilTest is defined in common/src/test/java/io/netty/util/internal/MathUtilTest.java at line 25.

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