[llvm] [llvm-lit][test] Adding tests for lit's built-in cat command (PR #101530)

[Paul Kirth via llvm-commits]

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@@ -0,0 +1,32 @@
+# Check the cat command
+
+# RUN: not %{lit} -a -v %{inputs}/shtest-cat \
+# RUN: | FileCheck -match-full-lines %s
+#
+# END.
+
+# CHECK: FAIL: shtest-cat :: cat-e-allchars.txt ({{[^)]*}})
+# CHECK: cat -e {{.+}}/allchars | FileCheck {{.*}}
+# CHECK: # executed command: cat -e {{.*}}
+# CHECK: # | Unsupported: 'cat':  option -e not recognized
+# CHECK: # error: command failed with exit status: {{.*}}
+# CHECK: # executed command: FileCheck {{.*}}
+# CHECK: # error: command failed with exit status: {{.*}}
+
+# CHECK: FAIL: shtest-cat :: cat-e-newline.txt ({{[^)]*}})
+# CHECK: cat -e {{.+}}/newline | FileCheck {{.*}}
+# CHECK: # executed command: cat -e {{.*}}
+# CHECK: # | Unsupported: 'cat':  option -e not recognized
+# CHECK: # error: command failed with exit status: {{.*}}
+# CHECK: # executed command: FileCheck {{.*}}
+# CHECK: # error: command failed with exit status: {{.*}}
+
+# CHECK: PASS: shtest-cat :: cat-newline.txt ({{[^)]*}})
+# CHECK: cat {{.+}}/newline | FileCheck {{.*}}
+# CHECK: # executed command: cat {{.*}}
+# CHECK: # executed command: FileCheck {{.*}}
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ilovepi wrote:

Perhaps also for `cat -v`?

https://github.com/llvm/llvm-project/pull/101530