tests: use 'test_must_be_empty' instead of 'test_cmp <empty> <out>'

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 48fd14fae6e9ac04f2edac3592bfb3ee4504cab1..894ea2f27dd9bef345d8247b19143005c66de7f0 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -101,7 +101,6 @@ inspect() {
 
 test_expect_success 'submodule add' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -123,7 +122,7 @@ test_expect_success 'submodule add' '
        inspect addtest/submod ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'setup parent and one repository' '
@@ -188,7 +187,6 @@ test_expect_success 'submodule add --branch' '
        refs/heads/initial
        refs/heads/master
        EOF
-       >empty &&
 
        (
                cd addtest &&
@@ -201,12 +199,11 @@ test_expect_success 'submodule add --branch' '
        inspect addtest/submod-branch ../.. &&
        test_cmp expect-heads heads &&
        test_cmp expect-head head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with ./ in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -218,12 +215,11 @@ test_expect_success 'submodule add with ./ in path' '
        inspect addtest/dotsubmod/frotz ../../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with /././ in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -235,12 +231,11 @@ test_expect_success 'submodule add with /././ in path' '
        inspect addtest/dotslashdotsubmod/frotz ../../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with // in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -252,12 +247,11 @@ test_expect_success 'submodule add with // in path' '
        inspect addtest/slashslashsubmod/frotz ../../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with /.. in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -269,12 +263,11 @@ test_expect_success 'submodule add with /.. in path' '
        inspect addtest/realsubmod ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with ./, /.. and // in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -286,7 +279,7 @@ test_expect_success 'submodule add with ./, /.. and // in path' '
        inspect addtest/realsubmod2 ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success !CYGWIN 'submodule add with \\ in path' '
@@ -305,7 +298,6 @@ test_expect_success !CYGWIN 'submodule add with \\ in path' '
 
 test_expect_success 'submodule add in subdirectory' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        mkdir addtest/sub &&
        (
@@ -318,7 +310,7 @@ test_expect_success 'submodule add in subdirectory' '
        inspect addtest/realsubmod3 ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add in subdirectory with relative path should fail' '
@@ -501,8 +493,6 @@ test_expect_success 'checkout superproject with subproject already present' '
 '
 
 test_expect_success 'apply submodule diff' '
-       >empty &&
-
        git branch second &&
        (
                cd init &&
@@ -517,7 +507,7 @@ test_expect_success 'apply submodule diff' '
        git apply --index P.diff &&
 
        git diff --cached master >staged &&
-       test_cmp empty staged
+       test_must_be_empty staged
 '
 
 test_expect_success 'update --init' '