// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package maphash provides hash functions on byte sequences.
// These hash functions are intended to be used to implement hash tables or
// other data structures that need to map arbitrary strings or byte
// sequences to a uniform distribution on unsigned 64-bit integers.

	// Using MFENCE;LFENCE here aligns the serializing properties without
	// runtime detection of CPU manufacturer.
	MFENCE
	LFENCE
	RDTSC
	JMP done

// func memhash(p unsafe.Pointer, h, s uintptr) uintptr
// hash function using AES hardware instructions
TEXT runtime·memhash<ABIInternal>(SB),NOSPLIT,$0-32
	// AX = ptr to data
	// BX = seed
	// CX = size

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test escape analysis for hash/maphash.

package escape

import (
	"hash/maphash"
)

func f() {
	var x maphash.Hash // should be stack allocatable
	x.WriteString("foo")
	x.Sum64()

            K oldKey = delegate.key;
            int keyHash = smearedHash(key);
            if (keyHash == delegate.keyHash && Objects.equal(key, oldKey)) {
              return key;
            }
            checkArgument(seekByKey(key, keyHash) == null, "value already present: %s", key);
            delete(delegate);
            BiEntry<K, V> newEntry =
                new BiEntry<>(key, keyHash, delegate.value, delegate.valueHash);

// license that can be found in the LICENSE file.

package maphash_test

import (
	"fmt"
	"hash/maphash"
)

func Example() {
	// The zero Hash value is valid and ready to use; setting an
	// initial seed is not necessary.
	var h maphash.Hash

	// Add a string to the hash, and print the current hash value.
	h.WriteString("hello, ")
	fmt.Printf("%#x\n", h.Sum64())

        file("first/gradle/wrapper/gradle-wrapper.jar").md5Hash == file("second/gradle/wrapper/gradle-wrapper.jar").md5Hash
        file("first/gradle/wrapper/gradle-wrapper.properties").md5Hash == file("second/gradle/wrapper/gradle-wrapper.properties").md5Hash
        file("first/gradlew").md5Hash == file("second/gradlew").md5Hash
        file("first/gradlew.bat").md5Hash == file("second/gradlew.bat").md5Hash
    }

        def oldHash = bJar.md5Hash
        when:
        // Timestamps in the jar have a 2-second precision, so we need to see a different jar before continuing
        ConcurrentTestUtil.poll(6) {
            // cleaning b and rebuilding will cause b.jar to be different
            succeeds(":b:clean")
            succeeds(":a:javadoc")
            assert oldHash != bJar.md5Hash
        }

        then:

            return false;
        }
        return getHash().equals(that.getHash());
    }

    @Override
    public int hashCode() {
        int result = absolutePath.hashCode();
        result = 31 * result + name.hashCode();
        result = 31 * result + accessType.hashCode();
        result = 31 * result + getHash().hashCode();
        return result;
    }

    @Override

        return oldKey;
      }
    }

    int predecessor = lastInInsertionOrder;
    int keyHash = Hashing.smearedHash(key);
    int keyEntry = findEntryByKey(key, keyHash);
    if (force) {
      if (keyEntry != ABSENT) {
        predecessor = prevInInsertionOrder[keyEntry];
        removeEntryKeyHashKnown(keyEntry, keyHash);
      }
    } else {
      checkArgument(keyEntry == ABSENT, "Key already present: %s", key);

    def "should get metaData"() {
        def lastModified = new DateTime(new Date())
        def md5hash = '5ab81d4c80e1ee62e6f34e7b3271874e'
        def contentType = 'text/plain'
        def storageObject = new StorageObject()
        storageObject.setUpdated(lastModified)
        storageObject.setMd5Hash(md5hash)
        storageObject.setSize(BigInteger.ONE)
        storageObject.setContentType(contentType)