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MethodBuilderTest.class.st
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MethodBuilderTest.class.st
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Class {
#name : #MethodBuilderTest,
#superclass : #VMInterpreterTests,
#instVars : [
'literals',
'numberOfArguments',
'numberOfTemporaries',
'bytecodes',
'isSmall',
'isPrimitive',
'methodHeader',
'method'
],
#category : #'VMMakerTests-InterpreterTests'
}
{ #category : #running }
MethodBuilderTest >> testAddingBytecodesDoesntOverrideHeader [
method := methodBuilder newMethod buildMethod.
self assert: methodBuilder buildMethodHeader equals: (memory integerValueOf: (memory fetchPointer: 0 ofObject: method)).
]
{ #category : #running }
MethodBuilderTest >> testAllocatingMethodDoesntOverflows [
method := methodBuilder newMethod; buildMethod.
"When filling the method with bytecodes/literals, we are writing the memory directly"
"We need to not overflow and corrupt the next memory"
"This first assertion checks that we didn't corrupt the next memory"
memory assertInnerValidFreeObject: (memory freeLists at: 0).
"And if we didn't corrupt the memory, we should be able to instantiate another one !"
self shouldnt:[ methodBuilder newMethod; buildMethod ] raise: AssertionFailure
]
{ #category : #running }
MethodBuilderTest >> testBuildEmptyMethodIsCompiledMethod [
"checking the format"
method := methodBuilder newMethod; buildMethod.
self assert: (memory isCompiledMethod: method)
]
{ #category : #running }
MethodBuilderTest >> testBytecodeAtForMethodWithNoLiteral [
| bytecodeAddress |
literals := { }.
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 9 ];
literals: literals;
buildMethod.
bytecodeAddress := methodBuilder bytecodeAt: 1 forMethod: method.
self assert: (memory byteAt: bytecodeAddress) equals: 1
]
{ #category : #running }
MethodBuilderTest >> testBytecodeAtForMethodWithOneLiteral [
| bytecodeAddress |
literals := { 1 }.
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 9 ];
literals: literals;
buildMethod.
bytecodeAddress := methodBuilder bytecodeAt: 1 forMethod: method.
self assert: (memory byteAt: bytecodeAddress) equals: 1
]
{ #category : #running }
MethodBuilderTest >> testBytecodeAtForMethodWithTwoLiteral [
| bytecodeAddress |
literals := { 1. 2 }.
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 9 ];
literals: literals;
buildMethod.
bytecodeAddress := methodBuilder bytecodeAt: 1 forMethod: method.
self assert: (memory byteAt: bytecodeAddress) equals: 1
]
{ #category : #running }
MethodBuilderTest >> testClassOfCompiledMethodIsCompiledMethod [
self assert: (memory fetchClassOf: methodBuilder newMethod buildMethod) equals: (memory splObj: 16).
]
{ #category : #running }
MethodBuilderTest >> testGeneratingCompiledMethod [
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 ];
buildMethod.
self assert: (memory isCompiledMethod: method)
]
{ #category : #running }
MethodBuilderTest >> testInstanciateMethodShouldTakeOneSlotForEightBytecodes [
| numberOfByteCode |
numberOfByteCode := 8.
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 ];
buildMethod.
"should equal the header (1) + the number of bytecodes divided by wordsize"
self
assert: methodBuilder slotSize
equals: 1 + (numberOfByteCode / wordSize) ceiling
]
{ #category : #running }
MethodBuilderTest >> testInstanciateMethodShouldTakeTwoSlotForNineBytecodes [
| numberOfByteCode |
numberOfByteCode := 9.
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 9 ];
buildMethod.
"should equal the header (1) + the number of bytecodes divided by wordsize"
self
assert: methodBuilder slotSize
equals: 1 + (numberOfByteCode / wordSize) ceiling
]
{ #category : #running }
MethodBuilderTest >> testSecondBytecodeAtForMethodWithOneLiteral [
| bytecodeAddress |
literals := { 1 }.
method := methodBuilder newMethod
bytecodes: #[ 1 2 3 4 5 6 7 8 9 ];
literals: literals;
buildMethod.
bytecodeAddress := methodBuilder bytecodeAt: 2 forMethod: method.
self assert: (memory byteAt: bytecodeAddress) equals: 2
]