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testUsedHeapMemory() — netty Function Reference

Architecture documentation for the testUsedHeapMemory() function in AbstractByteBufAllocatorTest.java from the netty codebase.

Function java Buffer Allocators calls 2

Entity Profile

Dependency Diagram

graph TD
  f2d3fcd9_6f19_eae3_0895_9522237370cb["testUsedHeapMemory()"]
  7ff0721a_af2d_e20c_7c69_b0b95f85fcac["AbstractByteBufAllocatorTest"]
  f2d3fcd9_6f19_eae3_0895_9522237370cb -->|defined in| 7ff0721a_af2d_e20c_7c69_b0b95f85fcac
  e2d9218f_d9b1_045c_899a_af37dc01f3a2["expectedUsedMemory()"]
  f2d3fcd9_6f19_eae3_0895_9522237370cb -->|calls| e2d9218f_d9b1_045c_899a_af37dc01f3a2
  49f82fa0_2cff_4f13_42f1_efa99057f7ce["expectedUsedMemoryAfterRelease()"]
  f2d3fcd9_6f19_eae3_0895_9522237370cb -->|calls| 49f82fa0_2cff_4f13_42f1_efa99057f7ce
  style f2d3fcd9_6f19_eae3_0895_9522237370cb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/AbstractByteBufAllocatorTest.java lines 160–177

    @Test
    public void testUsedHeapMemory() {
        T allocator =  newAllocator(true);
        ByteBufAllocatorMetric metric = ((ByteBufAllocatorMetricProvider) allocator).metric();

        assertEquals(0, metric.usedHeapMemory());
        ByteBuf buffer = allocator.heapBuffer(1024, 4096);
        int capacity = buffer.capacity();
        assertEquals(expectedUsedMemory(allocator, capacity), metric.usedHeapMemory());

        // Double the size of the buffer
        buffer.capacity(capacity << 1);
        capacity = buffer.capacity();
        assertEquals(expectedUsedMemory(allocator, capacity), metric.usedHeapMemory());

        buffer.release();
        assertEquals(expectedUsedMemoryAfterRelease(allocator, capacity), metric.usedHeapMemory());
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does testUsedHeapMemory() do?
testUsedHeapMemory() is a function in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/AbstractByteBufAllocatorTest.java.
Where is testUsedHeapMemory() defined?
testUsedHeapMemory() is defined in buffer/src/test/java/io/netty/buffer/AbstractByteBufAllocatorTest.java at line 160.
What does testUsedHeapMemory() call?
testUsedHeapMemory() calls 2 function(s): expectedUsedMemory, expectedUsedMemoryAfterRelease.

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