Make lots of tests run in parallel

Putting t.Parallel() in each test makes them run in parallel.
Additional t.Parallel() could be added to each subtest, although
that requires making a local copy of the loop variable for
table driven tests.

Test: m checkbuild
Change-Id: I5d9869ead441093f4d7c5757f2447385333a95a4

3 files changed, 5 insertions, 0 deletions

diff --git a/androidmk/androidmk/androidmk_test.go b/androidmk/androidmk/androidmk_test.go
index 2448acc21..560ea13b9 100644
--- a/androidmk/androidmk/androidmk_test.go
+++ b/androidmk/androidmk/androidmk_test.go
@@ -1462,6 +1462,7 @@ runtime_resource_overlay {
 }
 
 func TestEndToEnd(t *testing.T) {
+	t.Parallel()
 	for i, test := range testCases {
 		expected, err := bpfix.Reformat(test.expected)
 		if err != nil {
diff --git a/androidmk/parser/make_strings_test.go b/androidmk/parser/make_strings_test.go
index 6995e8913..9622068a7 100644
--- a/androidmk/parser/make_strings_test.go
+++ b/androidmk/parser/make_strings_test.go
@@ -89,6 +89,7 @@ var splitNTestCases = []struct {
 }
 
 func TestMakeStringSplitN(t *testing.T) {
+	t.Parallel()
 	for _, test := range splitNTestCases {
 		got := test.in.SplitN(test.sep, test.n)
 		gotString := dumpArray(got)
@@ -118,6 +119,7 @@ var valueTestCases = []struct {
 }
 
 func TestMakeStringValue(t *testing.T) {
+	t.Parallel()
 	for _, test := range valueTestCases {
 		got := test.in.Value(nil)
 		if got != test.expected {
@@ -161,6 +163,7 @@ var splitWordsTestCases = []struct {
 }
 
 func TestMakeStringWords(t *testing.T) {
+	t.Parallel()
 	for _, test := range splitWordsTestCases {
 		got := test.in.Words()
 		gotString := dumpArray(got)
diff --git a/androidmk/parser/parser_test.go b/androidmk/parser/parser_test.go
index f562c29e8..7c05a0cdf 100644
--- a/androidmk/parser/parser_test.go
+++ b/androidmk/parser/parser_test.go
@@ -37,6 +37,7 @@ var parserTestCases = []struct {
 }
 
 func TestParse(t *testing.T) {
+	t.Parallel()
 	for _, test := range parserTestCases {
 		t.Run(test.name, func(t *testing.T) {
 			p := NewParser(test.name, bytes.NewBufferString(test.in))