def testToFloat(self):
with self.test_session():
input_string = array_ops.placeholder(dtypes.string)
output = parsing_ops.string_to_number(input_string,
out_type=dtypes.float32)
result = output.eval(
feed_dict={
input_string: [
"0",
"3",
"-1",
"1.12",
"0xF",
" -10.5",
"3.40282e+38",
# The next two exceed maximum value for float, so we
# expect +/-INF to be returned instead.
"3.40283e+38",
"-3.40283e+38",
"NAN",
"INF"
]
})
self.assertAllClose([
0, 3, -1, 1.12, 0xF, -10.5, 3.40282e+38,
float("INF"),
float("-INF"),
float("NAN"),
float("INF")
], result)
with self.assertRaisesOpError(_ERROR_MESSAGE + "10foobar"):
output.eval(feed_dict={input_string: ["10foobar"]})
def testToFloat(self):
with self.test_session():
input_string = array_ops.placeholder(dtypes.string)
output = parsing_ops.string_to_number(
input_string, out_type=dtypes.float32)
result = output.eval(feed_dict={
input_string: [
"0",
"3",
"-1",
"1.12",
"0xF",
" -10.5",
"3.40282e+38",
# The next two exceed maximum value for float, so we
# expect +/-INF to be returned instead.
"3.40283e+38",
"-3.40283e+38",
"NAN",
"INF"
]
})
self.assertAllClose([
0, 3, -1, 1.12, 0xF, -10.5, 3.40282e+38, float("INF"), float("-INF"),
float("NAN"), float("INF")
], result)
with self.assertRaisesOpError(_ERROR_MESSAGE + "10foobar"):
output.eval(feed_dict={input_string: ["10foobar"]})
def _test(self, tf_type, good_pairs, bad_pairs):
with self.cached_session():
# Build a small testing graph.
input_string = array_ops.placeholder(dtypes.string)
output = parsing_ops.string_to_number(input_string,
out_type=tf_type)
# Check all the good input/output pairs.
for instr, outnum in good_pairs:
result, = output.eval(feed_dict={input_string: [instr]})
self.assertAllClose([outnum], [result])
# Check that the bad inputs produce the right errors.
for instr, outstr in bad_pairs:
with self.assertRaisesOpError(outstr):
output.eval(feed_dict={input_string: [instr]})
def _test(self, tf_type, good_pairs, bad_pairs):
with self.test_session():
# Build a small testing graph.
input_string = array_ops.placeholder(dtypes.string)
output = parsing_ops.string_to_number(
input_string, out_type=tf_type)
# Check all the good input/output pairs.
for instr, outnum in good_pairs:
result, = output.eval(feed_dict={input_string: [instr]})
self.assertAllClose([outnum], [result])
# Check that the bad inputs produce the right errors.
for instr, outstr in bad_pairs:
with self.assertRaisesOpError(outstr):
output.eval(feed_dict={input_string: [instr]})
def testToInt32(self):
with self.test_session():
input_string = array_ops.placeholder(dtypes.string)
output = parsing_ops.string_to_number(input_string, out_type=dtypes.int32)
result = output.eval(feed_dict={
input_string:
["0", "3", "-1", " -10", "-2147483648", "2147483647"]
})
self.assertAllEqual([0, 3, -1, -10, -2147483648, 2147483647], result)
with self.assertRaisesOpError(_ERROR_MESSAGE + "2.9"):
output.eval(feed_dict={input_string: ["2.9"]})
# The next two exceed maximum value of int32.
for in_string in ["-2147483649", "2147483648"]:
with self.assertRaisesOpError(_ERROR_MESSAGE + in_string):
output.eval(feed_dict={input_string: [in_string]})
def testToInt32(self):
with self.test_session():
input_string = array_ops.placeholder(dtypes.string)
output = parsing_ops.string_to_number(input_string,
out_type=dtypes.int32)
result = output.eval(
feed_dict={
input_string:
["0", "3", "-1", " -10", "-2147483648", "2147483647"]
})
self.assertAllEqual([0, 3, -1, -10, -2147483648, 2147483647],
result)
with self.assertRaisesOpError(_ERROR_MESSAGE + "2.9"):
output.eval(feed_dict={input_string: ["2.9"]})
# The next two exceed maximum value of int32.
for in_string in ["-2147483649", "2147483648"]:
with self.assertRaisesOpError(_ERROR_MESSAGE + in_string):
output.eval(feed_dict={input_string: [in_string]})