Move state machines to state_machines subdir

third_party/WebKit/Source/core/editing/BackspaceStateMachineTest.cpp

Index: third_party/WebKit/Source/core/editing/BackspaceStateMachineTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/BackspaceStateMachineTest.cpp b/third_party/WebKit/Source/core/editing/BackspaceStateMachineTest.cpp
index 244f72e9399864a6c60ebeabc399fa9881d6d972..f87132fc4ab391615b639ac3e893e46f9746c1d7 100644
--- a/third_party/WebKit/Source/core/editing/BackspaceStateMachineTest.cpp
+++ b/third_party/WebKit/Source/core/editing/BackspaceStateMachineTest.cpp
@@ -8,35 +8,38 @@
 
 namespace blink {
 
+constexpr BackspaceStateMachine::State NeedMoreCodeUnit = BackspaceStateMachine::State::NeedMoreCodeUnit;
+constexpr BackspaceStateMachine::State Finished = BackspaceStateMachine::State::Finished;
+
 TEST(BackspaceStateMachineTest, DoNothingCase)
 {
     BackspaceStateMachine machine;
-    EXPECT_EQ(0, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(0, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(0, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(0, machine.finalizeAndGetBoundaryOffset());
 }
 
 TEST(BackspaceStateMachineTest, SingleCharacter)
 {
     BackspaceStateMachine machine;
-    EXPECT_TRUE(machine.updateState('a'));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a'));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 
     machine.reset();
-    EXPECT_TRUE(machine.updateState('-'));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('-'));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 
     machine.reset();
-    EXPECT_TRUE(machine.updateState('\t'));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('\t'));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 
     machine.reset();
     // U+3042 HIRAGANA LETTER A.
-    EXPECT_TRUE(machine.updateState(0x3042));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(0x3042));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 }
 
 TEST(BackspaceStateMachineTest, SurrogatePair)
@@ -47,35 +50,35 @@ TEST(BackspaceStateMachineTest, SurrogatePair)
     uint16_t leadSurrogate = 0xD83D;
     uint16_t trailSurrogate = 0xDDFA;
 
-    EXPECT_FALSE(machine.updateState(trailSurrogate));
-    EXPECT_TRUE(machine.updateState(leadSurrogate));
-    EXPECT_EQ(2, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(2, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate));
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(leadSurrogate));
+    EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset());
 
     // Edge cases
     // Unpaired trailing surrogate. Delete only broken trail surrogate.
     machine.reset();
-    EXPECT_FALSE(machine.updateState(trailSurrogate));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 
     machine.reset();
-    EXPECT_FALSE(machine.updateState(trailSurrogate));
-    EXPECT_TRUE(machine.updateState('a'));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate));
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a'));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 
     machine.reset();
-    EXPECT_FALSE(machine.updateState(trailSurrogate));
-    EXPECT_TRUE(machine.updateState(trailSurrogate));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate));
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(trailSurrogate));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 
     // Unpaired leading surrogate. Delete only broken lead surrogate.
     machine.reset();
-    EXPECT_TRUE(machine.updateState(leadSurrogate));
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
-    EXPECT_EQ(1, machine.finalizeAndGetCodeUnitCountToBeDeleted());
+    EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(leadSurrogate));
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
+    EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset());
 }
 
 } // namespace blink