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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "eval/public/source_position.h"
#include "google/api/expr/v1alpha1/syntax.pb.h"
#include "internal/testing.h"
namespace google {
namespace api {
namespace expr {
namespace runtime {
namespace {
using testing::Eq;
using google::api::expr::v1alpha1::SourceInfo;
class SourcePositionTest : public testing::Test {
protected:
void SetUp() override {
// Simulate the expression positions : '\n\na\n&& b\n\n|| c'
//
// Within the ExprChecker, the line offset is the first character of the
// line rather than the newline character.
//
// The tests outputs are affected by leading newlines, but not trailing
// newlines, and the ExprChecker will actually always generate a trailing
// newline entry for EOF; however, this offset is not included in the test
// since there may be other parsers which generate newline information
// slightly differently.
source_info_.add_line_offsets(0);
source_info_.add_line_offsets(1);
source_info_.add_line_offsets(2);
(*source_info_.mutable_positions())[1] = 2;
source_info_.add_line_offsets(4);
(*source_info_.mutable_positions())[2] = 4;
(*source_info_.mutable_positions())[3] = 7;
source_info_.add_line_offsets(9);
source_info_.add_line_offsets(10);
(*source_info_.mutable_positions())[4] = 10;
(*source_info_.mutable_positions())[5] = 13;
}
SourceInfo source_info_;
};
TEST_F(SourcePositionTest, TestNullSourceInfo) {
SourcePosition position(3, nullptr);
EXPECT_THAT(position.character_offset(), Eq(0));
EXPECT_THAT(position.line(), Eq(1));
EXPECT_THAT(position.column(), Eq(1));
}
TEST_F(SourcePositionTest, TestNoNewlines) {
source_info_.clear_line_offsets();
SourcePosition position(3, &source_info_);
EXPECT_THAT(position.character_offset(), Eq(7));
EXPECT_THAT(position.line(), Eq(1));
EXPECT_THAT(position.column(), Eq(8));
}
TEST_F(SourcePositionTest, TestPosition) {
SourcePosition position(3, &source_info_);
EXPECT_THAT(position.character_offset(), Eq(7));
}
TEST_F(SourcePositionTest, TestLine) {
SourcePosition position1(1, &source_info_);
EXPECT_THAT(position1.line(), Eq(3));
SourcePosition position2(2, &source_info_);
EXPECT_THAT(position2.line(), Eq(4));
SourcePosition position3(3, &source_info_);
EXPECT_THAT(position3.line(), Eq(4));
SourcePosition position4(5, &source_info_);
EXPECT_THAT(position4.line(), Eq(6));
}
TEST_F(SourcePositionTest, TestColumn) {
SourcePosition position1(1, &source_info_);
EXPECT_THAT(position1.column(), Eq(1));
SourcePosition position2(2, &source_info_);
EXPECT_THAT(position2.column(), Eq(1));
SourcePosition position3(3, &source_info_);
EXPECT_THAT(position3.column(), Eq(4));
SourcePosition position4(5, &source_info_);
EXPECT_THAT(position4.column(), Eq(4));
}
} // namespace
} // namespace runtime
} // namespace expr
} // namespace api
} // namespace google