testSuppressed() — netty Function Reference

Architecture documentation for the testSuppressed() function in DefaultDnsCacheTest.java from the netty codebase.

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Dependency Diagram

graph TD
  9655cb51_b4d5_792c_29e2_0b4cbaf764d3["testSuppressed()"]
  6fc766f6_eb26_5b64_4561_08621961737e["DefaultDnsCacheTest"]
  9655cb51_b4d5_792c_29e2_0b4cbaf764d3 -->|defined in| 6fc766f6_eb26_5b64_4561_08621961737e
  141f4968_63f0_bcdc_e323_11b37f793fd0["testCacheExceptionIsSafe()"]
  141f4968_63f0_bcdc_e323_11b37f793fd0 -->|calls| 9655cb51_b4d5_792c_29e2_0b4cbaf764d3
  fa594583_90fc_fd6a_2b4c_0e5bb7b5d4dd["assertThrowable()"]
  9655cb51_b4d5_792c_29e2_0b4cbaf764d3 -->|calls| fa594583_90fc_fd6a_2b4c_0e5bb7b5d4dd
  style 9655cb51_b4d5_792c_29e2_0b4cbaf764d3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

resolver-dns/src/test/java/io/netty/resolver/dns/DefaultDnsCacheTest.java lines 222–236

    private static void testSuppressed(DnsCache cache, Throwable exception, EventLoop loop) {
        String hostname = UUID.randomUUID().toString();
        cache.cache(hostname, null, exception, loop);
        List<? extends DnsCacheEntry> entries = cache.get(hostname, null);
        DnsCacheEntry entry = entries.get(0);
        assertEquals(1, entries.size());
        assertNotSame(exception, entry.cause());

        assertThrowable(exception, entry.cause());
        entry.cause().addSuppressed(new Throwable());

        assertEquals(0, exception.getSuppressed().length);
        assertEquals(1, entry.cause().getSuppressed().length);
        assertNull(entry.address());
    }