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Diffstat (limited to 'tests/unittest/BidiUtilsTest.cpp')
-rw-r--r-- | tests/unittest/BidiUtilsTest.cpp | 536 |
1 files changed, 536 insertions, 0 deletions
diff --git a/tests/unittest/BidiUtilsTest.cpp b/tests/unittest/BidiUtilsTest.cpp new file mode 100644 index 0000000..f743a66 --- /dev/null +++ b/tests/unittest/BidiUtilsTest.cpp @@ -0,0 +1,536 @@ +/* + * 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 |