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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/runtime/race/testdata/map_test.go
parentInitial commit. (diff)
downloadgolang-1.16-upstream.tar.xz
golang-1.16-upstream.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/race/testdata/map_test.go')
-rw-r--r--src/runtime/race/testdata/map_test.go335
1 files changed, 335 insertions, 0 deletions
diff --git a/src/runtime/race/testdata/map_test.go b/src/runtime/race/testdata/map_test.go
new file mode 100644
index 0000000..88e735e
--- /dev/null
+++ b/src/runtime/race/testdata/map_test.go
@@ -0,0 +1,335 @@
+// Copyright 2012 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 race_test
+
+import (
+ "testing"
+)
+
+func TestRaceMapRW(t *testing.T) {
+ m := make(map[int]int)
+ ch := make(chan bool, 1)
+ go func() {
+ _ = m[1]
+ ch <- true
+ }()
+ m[1] = 1
+ <-ch
+}
+
+func TestRaceMapRW2(t *testing.T) {
+ m := make(map[int]int)
+ ch := make(chan bool, 1)
+ go func() {
+ _, _ = m[1]
+ ch <- true
+ }()
+ m[1] = 1
+ <-ch
+}
+
+func TestRaceMapRWArray(t *testing.T) {
+ // Check instrumentation of unaddressable arrays (issue 4578).
+ m := make(map[int][2]int)
+ ch := make(chan bool, 1)
+ go func() {
+ _ = m[1][1]
+ ch <- true
+ }()
+ m[2] = [2]int{1, 2}
+ <-ch
+}
+
+func TestNoRaceMapRR(t *testing.T) {
+ m := make(map[int]int)
+ ch := make(chan bool, 1)
+ go func() {
+ _, _ = m[1]
+ ch <- true
+ }()
+ _ = m[1]
+ <-ch
+}
+
+func TestRaceMapRange(t *testing.T) {
+ m := make(map[int]int)
+ ch := make(chan bool, 1)
+ go func() {
+ for range m {
+ }
+ ch <- true
+ }()
+ m[1] = 1
+ <-ch
+}
+
+func TestRaceMapRange2(t *testing.T) {
+ m := make(map[int]int)
+ ch := make(chan bool, 1)
+ go func() {
+ for range m {
+ }
+ ch <- true
+ }()
+ m[1] = 1
+ <-ch
+}
+
+func TestNoRaceMapRangeRange(t *testing.T) {
+ m := make(map[int]int)
+ // now the map is not empty and range triggers an event
+ // should work without this (as in other tests)
+ // so it is suspicious if this test passes and others don't
+ m[0] = 0
+ ch := make(chan bool, 1)
+ go func() {
+ for range m {
+ }
+ ch <- true
+ }()
+ for range m {
+ }
+ <-ch
+}
+
+func TestRaceMapLen(t *testing.T) {
+ m := make(map[string]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ _ = len(m)
+ ch <- true
+ }()
+ m[""] = true
+ <-ch
+}
+
+func TestRaceMapDelete(t *testing.T) {
+ m := make(map[string]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ delete(m, "")
+ ch <- true
+ }()
+ m[""] = true
+ <-ch
+}
+
+func TestRaceMapLenDelete(t *testing.T) {
+ m := make(map[string]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ delete(m, "a")
+ ch <- true
+ }()
+ _ = len(m)
+ <-ch
+}
+
+func TestRaceMapVariable(t *testing.T) {
+ ch := make(chan bool, 1)
+ m := make(map[int]int)
+ _ = m
+ go func() {
+ m = make(map[int]int)
+ ch <- true
+ }()
+ m = make(map[int]int)
+ <-ch
+}
+
+func TestRaceMapVariable2(t *testing.T) {
+ ch := make(chan bool, 1)
+ m := make(map[int]int)
+ go func() {
+ m[1] = 1
+ ch <- true
+ }()
+ m = make(map[int]int)
+ <-ch
+}
+
+func TestRaceMapVariable3(t *testing.T) {
+ ch := make(chan bool, 1)
+ m := make(map[int]int)
+ go func() {
+ _ = m[1]
+ ch <- true
+ }()
+ m = make(map[int]int)
+ <-ch
+}
+
+type Big struct {
+ x [17]int32
+}
+
+func TestRaceMapLookupPartKey(t *testing.T) {
+ k := &Big{}
+ m := make(map[Big]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ k.x[8] = 1
+ ch <- true
+ }()
+ _ = m[*k]
+ <-ch
+}
+
+func TestRaceMapLookupPartKey2(t *testing.T) {
+ k := &Big{}
+ m := make(map[Big]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ k.x[8] = 1
+ ch <- true
+ }()
+ _, _ = m[*k]
+ <-ch
+}
+func TestRaceMapDeletePartKey(t *testing.T) {
+ k := &Big{}
+ m := make(map[Big]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ k.x[8] = 1
+ ch <- true
+ }()
+ delete(m, *k)
+ <-ch
+}
+
+func TestRaceMapInsertPartKey(t *testing.T) {
+ k := &Big{}
+ m := make(map[Big]bool)
+ ch := make(chan bool, 1)
+ go func() {
+ k.x[8] = 1
+ ch <- true
+ }()
+ m[*k] = true
+ <-ch
+}
+
+func TestRaceMapInsertPartVal(t *testing.T) {
+ v := &Big{}
+ m := make(map[int]Big)
+ ch := make(chan bool, 1)
+ go func() {
+ v.x[8] = 1
+ ch <- true
+ }()
+ m[1] = *v
+ <-ch
+}
+
+// Test for issue 7561.
+func TestRaceMapAssignMultipleReturn(t *testing.T) {
+ connect := func() (int, error) { return 42, nil }
+ conns := make(map[int][]int)
+ conns[1] = []int{0}
+ ch := make(chan bool, 1)
+ var err error
+ _ = err
+ go func() {
+ conns[1][0], err = connect()
+ ch <- true
+ }()
+ x := conns[1][0]
+ _ = x
+ <-ch
+}
+
+// BigKey and BigVal must be larger than 256 bytes,
+// so that compiler sets KindGCProg for them.
+type BigKey [1000]*int
+
+type BigVal struct {
+ x int
+ y [1000]*int
+}
+
+func TestRaceMapBigKeyAccess1(t *testing.T) {
+ m := make(map[BigKey]int)
+ var k BigKey
+ ch := make(chan bool, 1)
+ go func() {
+ _ = m[k]
+ ch <- true
+ }()
+ k[30] = new(int)
+ <-ch
+}
+
+func TestRaceMapBigKeyAccess2(t *testing.T) {
+ m := make(map[BigKey]int)
+ var k BigKey
+ ch := make(chan bool, 1)
+ go func() {
+ _, _ = m[k]
+ ch <- true
+ }()
+ k[30] = new(int)
+ <-ch
+}
+
+func TestRaceMapBigKeyInsert(t *testing.T) {
+ m := make(map[BigKey]int)
+ var k BigKey
+ ch := make(chan bool, 1)
+ go func() {
+ m[k] = 1
+ ch <- true
+ }()
+ k[30] = new(int)
+ <-ch
+}
+
+func TestRaceMapBigKeyDelete(t *testing.T) {
+ m := make(map[BigKey]int)
+ var k BigKey
+ ch := make(chan bool, 1)
+ go func() {
+ delete(m, k)
+ ch <- true
+ }()
+ k[30] = new(int)
+ <-ch
+}
+
+func TestRaceMapBigValInsert(t *testing.T) {
+ m := make(map[int]BigVal)
+ var v BigVal
+ ch := make(chan bool, 1)
+ go func() {
+ m[1] = v
+ ch <- true
+ }()
+ v.y[30] = new(int)
+ <-ch
+}
+
+func TestRaceMapBigValAccess1(t *testing.T) {
+ m := make(map[int]BigVal)
+ var v BigVal
+ ch := make(chan bool, 1)
+ go func() {
+ v = m[1]
+ ch <- true
+ }()
+ v.y[30] = new(int)
+ <-ch
+}
+
+func TestRaceMapBigValAccess2(t *testing.T) {
+ m := make(map[int]BigVal)
+ var v BigVal
+ ch := make(chan bool, 1)
+ go func() {
+ v, _ = m[1]
+ ch <- true
+ }()
+ v.y[30] = new(int)
+ <-ch
+}