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require 'test/unit'
require 'numru/netcdf'
require 'date'
include NumRu
class TestPutAttr < Test::Unit::TestCase
def setup
@s = 'tmp.nc'
@f = NetCDF.create(@s)
@d = @f.def_dim('x',5)
@v = @f.def_var('x','sfloat',[@d])
end
def teardown
@f.close
if File.exist?(@s)
begin
File.delete(@s)
rescue
p $!
end
end
end
def test_att_history_get
att = @f.put_att("history", Date.today.to_s )
assert_equal att.get,
@f.att("history").get
end
def test_att_int_att_get
att = @f.put_att("int_att",123)
att = @f.put_att("sfloat_att",1.0/3.0,'sfloat')
att = @f.put_att("sfloat_att2",2.0/3.0,NArray::SFLOAT)
att = @v.put_att("long_name",'test variable')
att = @v.put_att("int_att",123)
assert_equal att.get,
@v.att("int_att").get
end
def test_att_changed_to_text
att = @v.put_att("float_att",1.0/3.0)
att = @v.put_att("float_array",[0.1, 0.2, 30])
tmp = NArray.sfloat(3).indgen!
tmp = tmp/3
att = @v.put_att("sfloat_narray",tmp)
att = @v.put_att("float_narray",NArray.float(3).indgen!)
att = @v.put_att("sint_narray",NArray.sint(3).indgen!)
att = @v.put_att("int2float",10,'float')
att = att = @v.put_att("dummy",10,'float')
assert att.put('changed to text')
att.name = 'changed'
end
def test_destined_to_fail_complex
assert_raise(NetcdfError) do
@v.put_att("destined_to_fail", 9.8, 'complex')
# "unsupported type. code = 7"
end
end
def test_destined_to_fail_string
assert_raise(ArgumentError) do
@v.put_att("destined_to_fail", 9.8, 'string')
# Unrecognized NArray type>
end
end
def test_destined_to_fail_int
assert_raise(NetcdfError) do
@v.put_att("destined_to_fail", 'hello', 'int')
# attribute type must be 'char' (or nil) for a String value
end
end
def test_destined_to_fail_mixed_array
assert_raise(TypeError) do
@v.put_att("destined_to_fail",[10,30,'sss'])
# no implicit conversion of String into Integer
end
end
end
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