test_cmp empty err
'
+test_expect_success !MINGW 'run_command can run a script without a #! line' '
+ cat >hello <<-\EOF &&
+ cat hello-script
+ EOF
+ chmod +x hello &&
+ test-run-command run-command ./hello >actual 2>err &&
+
+ test_cmp hello-script actual &&
+ test_cmp empty err
+'
+
+test_expect_success 'run_command does not try to execute a directory' '
+ test_when_finished "rm -rf bin1 bin2" &&
+ mkdir -p bin1/greet bin2 &&
+ write_script bin2/greet <<-\EOF &&
+ cat bin2/greet
+ EOF
+
+ PATH=$PWD/bin1:$PWD/bin2:$PATH \
+ test-run-command run-command greet >actual 2>err &&
+ test_cmp bin2/greet actual &&
+ test_cmp empty err
+'
+
+test_expect_success POSIXPERM 'run_command passes over non-executable file' '
+ test_when_finished "rm -rf bin1 bin2" &&
+ mkdir -p bin1 bin2 &&
+ write_script bin1/greet <<-\EOF &&
+ cat bin1/greet
+ EOF
+ chmod -x bin1/greet &&
+ write_script bin2/greet <<-\EOF &&
+ cat bin2/greet
+ EOF
+
+ PATH=$PWD/bin1:$PWD/bin2:$PATH \
+ test-run-command run-command greet >actual 2>err &&
+ test_cmp bin2/greet actual &&
+ test_cmp empty err
+'
+
test_expect_success POSIXPERM 'run_command reports EACCES' '
cat hello-script >hello.sh &&
chmod -x hello.sh &&
test_cmp expect actual
'
+cat >expect <<-EOF
+preloaded output of a child
+Hello
+World
+preloaded output of a child
+Hello
+World
+preloaded output of a child
+Hello
+World
+preloaded output of a child
+Hello
+World
+EOF
+
+test_expect_success 'run_command runs in parallel with more jobs available than tasks' '
+ test-run-command run-command-parallel 5 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'run_command runs in parallel with as many jobs as tasks' '
+ test-run-command run-command-parallel 4 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'run_command runs in parallel with more tasks than jobs available' '
+ test-run-command run-command-parallel 3 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<-EOF
+preloaded output of a child
+asking for a quick stop
+preloaded output of a child
+asking for a quick stop
+preloaded output of a child
+asking for a quick stop
+EOF
+
+test_expect_success 'run_command is asked to abort gracefully' '
+ test-run-command run-command-abort 3 false 2>actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<-EOF
+no further jobs available
+EOF
+
+test_expect_success 'run_command outputs ' '
+ test-run-command run-command-no-jobs 3 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
+ test_cmp expect actual
+'
+
test_done