mtn_setup()

-- check output if there are no changes
check(mtn("automate", "content_diff"), 0, true, true)
check(fsize("stdout") == 0 and fsize("stderr") == 0)

-- check non-existing path
check(mtn("automate", "content_diff", "non_existing"), 1, true, true)


-- check existing path against current workspace
addfile("existing", "foo bar")
check(mtn("diff", "existing"), 0, true, true)
--check(mtn("automate", "content_diff", "existing"), 0, true, true)
check(fsize("stdout") ~= 0)

-- add three more revisions and test for correct revid handling
commit()
R1=base_revision()
writefile("existing", "foo foo")
commit()
R2=base_revision()
writefile("existing", "foo foo bar")
commit()
R3=base_revision()

-- two revisions should work
check(mtn("automate", "content_diff", R1, R2), 0, true, true)
check(fsize("stdout") ~= 0)

-- three do not
check(mtn("automate", "content_diff", R1, R2, R3), 1, true, true)