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76 lines
1.5 KiB
76 lines
1.5 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package build_systems.threadsafety;
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import javax.annotation.concurrent.ThreadSafe;
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@ThreadSafe
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class DeDup {
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Integer field;
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Integer fielda, fieldb;
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/* Only want one rather than two reports */
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void two_fields() {
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foo();
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}
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private void foo() {
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fielda = 88;
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fieldb = 99;
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}
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/*Only the first write should be reported*/
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void two_writes() {
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field = 22;
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field = 84;
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}
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/*Only the first read should be reported*/
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void two_reads() { // parallel reads are OK
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Integer local;
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local = field;
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local = field + 1;
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}
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/*Both accesses should be reported*/
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void write_read() { // parallel reads are OK
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Integer local;
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field = 87;
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local = field;
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}
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/*Should only report the first write, which happens to be interprocedural*/
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void twoWritesOneInCaller() {
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writeToField();
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field = 22;
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}
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/*Should not report directly as provate method*/
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private void writeToField() {
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field = 33;
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}
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Integer colocated_read, colocated_write;
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/*Should only report colocated write, not read, from readandwrite()*/
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void colocated_read_write() {
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read_and_write();
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}
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/*Should report*/
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void separate_write_to_colocated_read() {
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colocated_read = 88;
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}
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private void read_and_write() {
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Integer x = colocated_read;
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colocated_write = 99;
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}
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}
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