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-rwxr-xr-xt/t6101-rev-parse-parents.sh231
1 files changed, 231 insertions, 0 deletions
diff --git a/t/t6101-rev-parse-parents.sh b/t/t6101-rev-parse-parents.sh
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+++ b/t/t6101-rev-parse-parents.sh
@@ -0,0 +1,231 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Johannes Schindelin
+#
+
+test_description='Test git rev-parse with different parent options'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+TEST_PASSES_SANITIZE_LEAK=true
+TEST_CREATE_REPO_NO_TEMPLATE=1
+. ./test-lib.sh
+
+test_cmp_rev_output () {
+ git rev-parse --verify "$1" >expect &&
+ eval "$2" >actual &&
+ test_cmp expect actual
+}
+
+test_expect_success 'setup' '
+ test_commit start &&
+ test_commit second &&
+ git checkout --orphan tmp &&
+ test_commit start2 &&
+ git checkout main &&
+ git merge -m next --allow-unrelated-histories start2 &&
+ test_commit final &&
+
+ mkdir .git/info &&
+ test_seq 40 |
+ while read i
+ do
+ git checkout --orphan "b$i" &&
+ test_tick &&
+ git commit --allow-empty -m "$i" &&
+ commit=$(git rev-parse --verify HEAD) &&
+ printf "$commit " >>.git/info/grafts || return 1
+ done
+'
+
+test_expect_success 'start is valid' '
+ git rev-parse start | grep "^$OID_REGEX$"
+'
+
+test_expect_success 'start^0' '
+ test_cmp_rev_output tags/start "git rev-parse start^0"
+'
+
+test_expect_success 'start^1 not valid' '
+ test_must_fail git rev-parse --verify start^1
+'
+
+test_expect_success 'second^1 = second^' '
+ test_cmp_rev_output second^ "git rev-parse second^1"
+'
+
+test_expect_success 'final^1^1^1' '
+ test_cmp_rev_output start "git rev-parse final^1^1^1"
+'
+
+test_expect_success 'final^1^1^1 = final^^^' '
+ test_cmp_rev_output final^^^ "git rev-parse final^1^1^1"
+'
+
+test_expect_success 'final^1^2' '
+ test_cmp_rev_output start2 "git rev-parse final^1^2"
+'
+
+test_expect_success 'final^1^2 != final^1^1' '
+ test $(git rev-parse final^1^2) != $(git rev-parse final^1^1)
+'
+
+test_expect_success 'final^1^3 not valid' '
+ test_must_fail git rev-parse --verify final^1^3
+'
+
+test_expect_success '--verify start2^1' '
+ test_must_fail git rev-parse --verify start2^1
+'
+
+test_expect_success '--verify start2^0' '
+ git rev-parse --verify start2^0
+'
+
+test_expect_success 'final^1^@ = final^1^1 final^1^2' '
+ git rev-parse final^1^1 final^1^2 >expect &&
+ git rev-parse final^1^@ >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'symbolic final^1^@ = final^1^1 final^1^2' '
+ git rev-parse --symbolic final^1^1 final^1^2 >expect &&
+ git rev-parse --symbolic final^1^@ >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'final^1^! = final^1 ^final^1^1 ^final^1^2' '
+ git rev-parse final^1 ^final^1^1 ^final^1^2 >expect &&
+ git rev-parse final^1^! >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'symbolic final^1^! = final^1 ^final^1^1 ^final^1^2' '
+ git rev-parse --symbolic final^1 ^final^1^1 ^final^1^2 >expect &&
+ git rev-parse --symbolic final^1^! >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'large graft octopus' '
+ test_cmp_rev_output b31 "git rev-parse --verify b1^30"
+'
+
+test_expect_success 'repack for next test' '
+ git repack -a -d
+'
+
+test_expect_success 'short SHA-1 works' '
+ start=$(git rev-parse --verify start) &&
+ test_cmp_rev_output start "git rev-parse ${start%?}"
+'
+
+# rev^- tests; we can use a simpler setup for these
+
+test_expect_success 'setup for rev^- tests' '
+ test_commit one &&
+ test_commit two &&
+ test_commit three &&
+
+ # Merge in a branch for testing rev^-
+ git checkout -b branch &&
+ git checkout HEAD^^ &&
+ git merge -m merge --no-edit --no-ff branch &&
+ git checkout -b merge
+'
+
+# The merged branch has 2 commits + the merge
+test_expect_success 'rev-list --count merge^- = merge^..merge' '
+ git rev-list --count merge^..merge >expect &&
+ echo 3 >actual &&
+ test_cmp expect actual
+'
+
+# All rev^- rev-parse tests
+
+test_expect_success 'rev-parse merge^- = merge^..merge' '
+ git rev-parse merge^..merge >expect &&
+ git rev-parse merge^- >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-parse merge^-1 = merge^..merge' '
+ git rev-parse merge^1..merge >expect &&
+ git rev-parse merge^-1 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-parse merge^-2 = merge^2..merge' '
+ git rev-parse merge^2..merge >expect &&
+ git rev-parse merge^-2 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'symbolic merge^-1 = merge^1..merge' '
+ git rev-parse --symbolic merge^1..merge >expect &&
+ git rev-parse --symbolic merge^-1 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-parse merge^-0 (invalid parent)' '
+ test_must_fail git rev-parse merge^-0
+'
+
+test_expect_success 'rev-parse merge^-3 (invalid parent)' '
+ test_must_fail git rev-parse merge^-3
+'
+
+test_expect_success 'rev-parse merge^-^ (garbage after ^-)' '
+ test_must_fail git rev-parse merge^-^
+'
+
+test_expect_success 'rev-parse merge^-1x (garbage after ^-1)' '
+ test_must_fail git rev-parse merge^-1x
+'
+
+# All rev^- rev-list tests (should be mostly the same as rev-parse; the reason
+# for the duplication is that rev-parse and rev-list use different parsers).
+
+test_expect_success 'rev-list merge^- = merge^..merge' '
+ git rev-list merge^..merge >expect &&
+ git rev-list merge^- >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-list merge^-1 = merge^1..merge' '
+ git rev-list merge^1..merge >expect &&
+ git rev-list merge^-1 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-list merge^-2 = merge^2..merge' '
+ git rev-list merge^2..merge >expect &&
+ git rev-list merge^-2 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-list merge^-0 (invalid parent)' '
+ test_must_fail git rev-list merge^-0
+'
+
+test_expect_success 'rev-list merge^-3 (invalid parent)' '
+ test_must_fail git rev-list merge^-3
+'
+
+test_expect_success 'rev-list merge^-^ (garbage after ^-)' '
+ test_must_fail git rev-list merge^-^
+'
+
+test_expect_success 'rev-list merge^-1x (garbage after ^-1)' '
+ test_must_fail git rev-list merge^-1x
+'
+
+test_expect_success 'rev-parse $garbage^@ does not segfault' '
+ test_must_fail git rev-parse $EMPTY_TREE^@
+'
+
+test_expect_success 'rev-parse $garbage...$garbage does not segfault' '
+ test_must_fail git rev-parse $EMPTY_TREE...$EMPTY_BLOB
+'
+
+test_done