| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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 "BidiUtils.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include "minikin/Range.h" |
| |
| #include "UnicodeUtils.h" |
| |
| namespace minikin { |
| |
| const char LTR_1[] = "Hello, World"; |
| const char RTL_1[] = "\u0627\u0644\u0633\u0644\u0627\u0645\u0020\u0639\u0644\u064A\u0643\u0645"; |
| const char LTR_2[] = "Hello, Android"; |
| const char RTL_2[] = "\u0639\u0644\u064A\u0643\u0645\u0020\u0627\u0644\u0633\u0644\u0627\u0645"; |
| |
| TEST(BidiUtilsTest, AllLTRCharText) { |
| auto text = utf8ToUtf16(LTR_1); |
| uint32_t ltrLength = text.size(); |
| { |
| BidiText bidiText(text, Range(0, ltrLength), Bidi::LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, ltrLength), Bidi::RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, ltrLength), Bidi::DEFAULT_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, ltrLength), Bidi::DEFAULT_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, ltrLength), Bidi::FORCE_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, ltrLength), Bidi::FORCE_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| } |
| |
| TEST(BidiUtilsTest, AllRTLCharText) { |
| auto text = utf8ToUtf16(RTL_1); |
| uint32_t rtlLength = text.size(); |
| { |
| BidiText bidiText(text, Range(0, rtlLength), Bidi::LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, rtlLength), Bidi::RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, rtlLength), Bidi::DEFAULT_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, rtlLength), Bidi::DEFAULT_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, rtlLength), Bidi::FORCE_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| BidiText bidiText(text, Range(0, rtlLength), Bidi::FORCE_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| } |
| |
| TEST(BidiUtilsTest, LTR_RTL_CharText) { |
| auto text = utf8ToUtf16(std::string(LTR_1) + RTL_1); |
| uint32_t ltrLength = utf8ToUtf16(LTR_1).size(); |
| uint32_t rtlLength = utf8ToUtf16(RTL_1).size(); |
| { |
| // Logical Run: L1 L2 R1 R2 |
| // Visual Run : L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltrLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 |
| // Visual Run : R2 R1 L1 L2 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltrLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 |
| // Visual Run : L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltrLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 |
| // Visual Run : L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltrLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 |
| // Visual Run : L1 L2 R1 R2 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength + rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 |
| // Visual Run : R2 R1 L2 L1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| } |
| |
| TEST(BidiUtilsTest, RTL_LTR_CharText) { |
| auto text = utf8ToUtf16(std::string(RTL_1) + LTR_1); |
| uint32_t ltrLength = utf8ToUtf16(LTR_1).size(); |
| uint32_t rtlLength = utf8ToUtf16(RTL_1).size(); |
| { |
| // Logical Run: R1 R2 L1 L2 |
| // Visual Run : R2 R1 L1 L2 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtlLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 |
| // Visual Run : L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtlLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 |
| // Visual Run : L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtlLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 |
| // Visual Run : L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtlLength, ltrLength + rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 |
| // Visual Run : R1 R2 L1 L2 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength + rtlLength), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 |
| // Visual Run : L2 L1 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltrLength + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| } |
| |
| TEST(BidiUtilsTest, LTR_RTL_LTR_CharText) { |
| auto text = utf8ToUtf16(std::string(LTR_1) + RTL_1 + LTR_2); |
| uint32_t ltr1Length = utf8ToUtf16(LTR_1).size(); |
| uint32_t ltr2Length = utf8ToUtf16(LTR_2).size(); |
| uint32_t rtlLength = utf8ToUtf16(RTL_1).size(); |
| { |
| // Logical Run: L1 L2 R1 R2 L3 L4 |
| // Visual Run : L1 L2 R2 R1 L3 L4 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltr1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length, ltr1Length + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length + rtlLength, ltr1Length + rtlLength + ltr2Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 L3 L4 |
| // Visual Run : L3 L4 R2 R1 L1 2L |
| BidiText bidiText(text, Range(0, text.size()), Bidi::RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length + rtlLength, text.size()), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length, ltr1Length + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltr1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 L3 L4 |
| // Visual Run : L1 L2 R2 R1 L3 L4 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltr1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length, ltr1Length + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length + rtlLength, ltr1Length + rtlLength + ltr2Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 L3 L4 |
| // Visual Run : L1 L2 R2 R1 L3 L4 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltr1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length, ltr1Length + rtlLength), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(ltr1Length + rtlLength, ltr1Length + rtlLength + ltr2Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 L3 L4 |
| // Visual Run : L1 L2 R2 R1 L3 L4 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltr1Length + rtlLength + ltr2Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: L1 L2 R1 R2 L3 L4 |
| // Visual Run : L1 L2 R2 R1 L3 L4 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, ltr1Length + rtlLength + ltr2Length), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| } |
| |
| TEST(BidiUtilsTest, RTL_LTR_RTL_CharText) { |
| auto text = utf8ToUtf16(std::string(RTL_1) + LTR_1 + RTL_2); |
| uint32_t ltrLength = utf8ToUtf16(LTR_1).size(); |
| uint32_t rtl1Length = utf8ToUtf16(RTL_1).size(); |
| uint32_t rtl2Length = utf8ToUtf16(RTL_2).size(); |
| { |
| // Logical Run: R1 R2 L1 L2 R3 R4 |
| // Visual Run : R2 R1 L1 L2 R4 R3 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtl1Length), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length, ltrLength + rtl1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length + ltrLength, text.size()), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 R3 R4 |
| // Visual Run : R4 R3 L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length + ltrLength, text.size()), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length, ltrLength + rtl1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtl1Length), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 R3 R4 |
| // Visual Run : R4 R3 L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length + ltrLength, text.size()), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length, ltrLength + rtl1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtl1Length), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 R3 R4 |
| // Visual Run : R4 R3 L1 L2 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::DEFAULT_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length + ltrLength, text.size()), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(rtl1Length, ltrLength + rtl1Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtl1Length), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 R3 R4 |
| // Visual Run : R1 R2 L1 L2 R3 R4 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_LTR); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtl1Length + ltrLength + rtl2Length), (*it).range); |
| EXPECT_FALSE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| { |
| // Logical Run: R1 R2 L1 L2 R3 R4 |
| // Visual Run : R4 R3 L2 L1 R2 R1 |
| BidiText bidiText(text, Range(0, text.size()), Bidi::FORCE_RTL); |
| auto it = bidiText.begin(); |
| EXPECT_NE(bidiText.end(), it); |
| EXPECT_EQ(Range(0, rtl1Length + ltrLength + rtl2Length), (*it).range); |
| EXPECT_TRUE((*it).isRtl); |
| ++it; |
| EXPECT_EQ(bidiText.end(), it); |
| } |
| } |
| |
| } // namespace minikin |