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      1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
      2 
      3 Licensed under the Apache License, Version 2.0 (the "License");
      4 you may not use this file except in compliance with the License.
      5 You may obtain a copy of the License at
      6 
      7     http://www.apache.org/licenses/LICENSE-2.0
      8 
      9 Unless required by applicable law or agreed to in writing, software
     10 distributed under the License is distributed on an "AS IS" BASIS,
     11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 See the License for the specific language governing permissions and
     13 limitations under the License.
     14 ==============================================================================*/
     15 
     16 // Miscellaneous tests with the PRED type that don't fit anywhere else.
     17 #include <memory>
     18 
     19 #include "tensorflow/compiler/xla/array2d.h"
     20 #include "tensorflow/compiler/xla/client/computation_builder.h"
     21 #include "tensorflow/compiler/xla/client/lib/arithmetic.h"
     22 #include "tensorflow/compiler/xla/client/local_client.h"
     23 #include "tensorflow/compiler/xla/tests/client_library_test_base.h"
     24 #include "tensorflow/core/lib/core/status_test_util.h"
     25 #include "tensorflow/core/platform/test.h"
     26 
     27 namespace xla {
     28 namespace {
     29 
     30 class PredTest : public ClientLibraryTestBase {
     31  protected:
     32   void TestCompare(bool lhs, bool rhs, bool expected,
     33                    ComputationDataHandle (ComputationBuilder::*op)(
     34                        const ComputationDataHandle&,
     35                        const ComputationDataHandle&,
     36                        tensorflow::gtl::ArraySlice<int64>)) {
     37     ComputationBuilder builder(client_, TestName());
     38     ComputationDataHandle lhs_op = builder.ConstantR0<bool>(lhs);
     39     ComputationDataHandle rhs_op = builder.ConstantR0<bool>(rhs);
     40     ComputationDataHandle result = (builder.*op)(lhs_op, rhs_op, {});
     41     ComputeAndCompareR0<bool>(&builder, expected, {});
     42   }
     43 };
     44 
     45 TEST_F(PredTest, ConstantR0PredTrue) {
     46   ComputationBuilder builder(client_, TestName());
     47   auto a = builder.ConstantR0<bool>(true);
     48   ComputeAndCompareR0<bool>(&builder, true, {});
     49 }
     50 
     51 TEST_F(PredTest, ConstantR0PredFalse) {
     52   ComputationBuilder builder(client_, TestName());
     53   auto a = builder.ConstantR0<bool>(false);
     54   ComputeAndCompareR0<bool>(&builder, false, {});
     55 }
     56 
     57 TEST_F(PredTest, ConstantR0PredCompareEq) {
     58   TestCompare(true, false, false, &ComputationBuilder::Eq);
     59 }
     60 
     61 TEST_F(PredTest, ConstantR0PredCompareNe) {
     62   TestCompare(true, false, true, &ComputationBuilder::Ne);
     63 }
     64 
     65 TEST_F(PredTest, ConstantR0PredCompareLe) {
     66   TestCompare(true, false, false, &ComputationBuilder::Le);
     67 }
     68 
     69 TEST_F(PredTest, ConstantR0PredCompareLt) {
     70   TestCompare(true, false, false, &ComputationBuilder::Lt);
     71 }
     72 
     73 TEST_F(PredTest, ConstantR0PredCompareGe) {
     74   TestCompare(true, false, true, &ComputationBuilder::Ge);
     75 }
     76 
     77 TEST_F(PredTest, ConstantR0PredCompareGt) {
     78   TestCompare(true, false, true, &ComputationBuilder::Gt);
     79 }
     80 
     81 TEST_F(PredTest, ConstantR1Pred) {
     82   ComputationBuilder builder(client_, TestName());
     83   auto a = builder.ConstantR1<bool>({true, false, false, true});
     84   ComputeAndCompareR1<bool>(&builder, {true, false, false, true}, {});
     85 }
     86 
     87 TEST_F(PredTest, ConstantR2Pred) {
     88   ComputationBuilder builder(client_, TestName());
     89   auto a =
     90       builder.ConstantR2<bool>({{false, true, true}, {true, false, false}});
     91   const string expected = R"(pred[2,3] {
     92   { 011 },
     93   { 100 }
     94 })";
     95   EXPECT_EQ(expected, ExecuteToString(&builder, {}));
     96 }
     97 
     98 TEST_F(PredTest, AnyR1True) {
     99   ComputationBuilder builder(client_, TestName());
    100   auto a = builder.ConstantR1<bool>({true, false});
    101   TF_ASSERT_OK(Any(a, &builder).status());
    102   ComputeAndCompareR0<bool>(&builder, true, {});
    103 }
    104 
    105 TEST_F(PredTest, AnyR1False) {
    106   ComputationBuilder builder(client_, TestName());
    107   auto a = builder.ConstantR1<bool>({false, false});
    108   TF_ASSERT_OK(Any(a, &builder).status());
    109   ComputeAndCompareR0<bool>(&builder, false, {});
    110 }
    111 
    112 TEST_F(PredTest, AnyR1VacuouslyFalse) {
    113   ComputationBuilder builder(client_, TestName());
    114   auto a = builder.ConstantR1<bool>({});
    115   TF_ASSERT_OK(Any(a, &builder).status());
    116   ComputeAndCompareR0<bool>(&builder, false, {});
    117 }
    118 
    119 TEST_F(PredTest, AnyR2True) {
    120   ComputationBuilder builder(client_, TestName());
    121   auto a = builder.ConstantR2<bool>({
    122       {false, false, false},
    123       {false, false, false},
    124       {false, false, true},
    125   });
    126   TF_ASSERT_OK(Any(a, &builder).status());
    127   ComputeAndCompareR0<bool>(&builder, true, {});
    128 }
    129 
    130 TEST_F(PredTest, AnyR2False) {
    131   ComputationBuilder builder(client_, TestName());
    132   auto a = builder.ConstantR2<bool>({
    133       {false, false, false},
    134       {false, false, false},
    135       {false, false, false},
    136   });
    137   TF_ASSERT_OK(Any(a, &builder).status());
    138   ComputeAndCompareR0<bool>(&builder, false, {});
    139 }
    140 
    141 }  // namespace
    142 }  // namespace xla
    143