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StackAnnotation/test/test/MyStringStackTest.java at master · flchua/StackAnnotation · GitHub
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test
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MyStringStackTest.java
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test
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MyStringStackTest.java
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package
test
;
import
java
.
util
.
NoSuchElementException
;
import
junit
.
framework
.
TestCase
;
import
junit
.
framework
.
TestSuite
;
import
org
.
junit
.
After
;
import
org
.
junit
.
Before
;
import
org
.
junit
.
Test
;
import
stack
.
MyStringStack
;
public
class
MyStringStackTest
extends
TestCase
{
private
String
s1
,
s2
;
public
MyStringStackTest
(
String
name
) {
super
(
name
);
}
@
Before
public
void
setUp
()
throws
Exception
{
s1
=
"Hello"
;
s2
=
"there"
;
}
@
After
public
void
tearDown
()
throws
Exception
{
}
@
Test
public
void
testPush
() {
String
o1
=
null
;
MyStringStack
stack
=
new
MyStringStack
();
assertTrue
(
stack
.
isEmpty
());
stack
.
push
(
s1
);
stack
.
push
(
s2
);
assertFalse
(
stack
.
isEmpty
());
}
@
Test
public
void
testPop
() {
String
o1
=
null
;
MyStringStack
stack
=
new
MyStringStack
();
assertTrue
(
"Initial Stack state"
,
stack
.
isEmpty
());
try
{
o1
=
stack
.
pop
();
fail
(
"Failed pop()"
);
}
catch
(
NoSuchElementException
e
) {}
stack
.
push
(
s1
);
assertFalse
(
"Stack should not be empty after push()"
,
stack
.
isEmpty
());
try
{
o1
=
stack
.
pop
();
}
catch
(
NoSuchElementException
e
) {
fail
(
"Falied pop - No Elements"
);
}
assertSame
(
s1
,
o1
);
assertTrue
(
"Stack should be empty after popping all elements"
,
stack
.
isEmpty
());
//assertTrue ( stack.isEmpty());
}
@
Test
public
void
testIsEmpty
() {
String
s3
=
null
;
MyStringStack
stack
=
new
MyStringStack
();
assertTrue
(
stack
.
isEmpty
());
stack
.
push
(
s1
);
assertFalse
(
stack
.
isEmpty
());
try
{
s3
=
stack
.
pop
();
}
catch
(
NoSuchElementException
e
) {
fail
();
}
assertSame
(
s1
,
s3
);
assertTrue
(
stack
.
isEmpty
());
}
@
org
.
junit
.
Test
public
void
testClear
() {
String
o1
=
null
;
MyStringStack
stack
=
new
MyStringStack
();
assertTrue
(
stack
.
isEmpty
());
stack
.
push
(
s1
);
stack
.
push
(
s2
);
assertFalse
(
stack
.
isEmpty
());
stack
.
clear
();
assertTrue
(
stack
.
isEmpty
());
try
{
o1
=
stack
.
pop
();
fail
();
}
catch
(
NoSuchElementException
e
) {}
}
@
Test
public
void
testStackNull
() {
String
o1
=
null
;
MyStringStack
stack
=
new
MyStringStack
();
assertTrue
(
stack
.
isEmpty
());
stack
.
push
(
null
);
assertTrue
(
stack
.
isEmpty
());
stack
.
push
(
null
);
stack
.
push
(
s1
);
stack
.
push
(
null
);
try
{
o1
=
stack
.
pop
();
assertSame
(
o1
,
s1
);
}
catch
(
NoSuchElementException
e
) {
fail
(); }
assertTrue
(
stack
.
isEmpty
());
try
{
o1
=
stack
.
pop
();
fail
();
}
catch
(
NoSuchElementException
e
) {}
}
@
Test
public
void
testStackSequence
() {
String
o1
=
null
;
MyStringStack
stack
=
new
MyStringStack
();
assertTrue
(
stack
.
isEmpty
());
stack
.
push
(
s1
);
try
{
o1
=
stack
.
pop
();
assertSame
(
s1
,
o1
);
}
catch
(
NoSuchElementException
e
) {
fail
(); }
stack
.
push
(
s1
);
stack
.
push
(
s2
);
try
{
o1
=
stack
.
pop
();
assertSame
(
s2
,
o1
);
o1
=
stack
.
pop
();
assertSame
(
s1
,
o1
);
}
catch
(
NoSuchElementException
e
) {
fail
(); }
assertTrue
(
stack
.
isEmpty
());
}
public
static
junit
.
framework
.
Test
suite
() {
TestSuite
suite
=
new
TestSuite
(
"Test for default package"
);
System
.
out
.
println
(
"Test for default package"
);
//$JUnit-BEGIN$
suite
.
addTestSuite
(
MyStringStackTest
.
class
);
//$JUnit-END$
return
suite
;
}
}
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