Examples with ProgramState org.sonar.java.se.ProgramState used on opensource projects

Example 21 with ProgramState

use of org.sonar.java.se.ProgramState in project sonar-java by SonarSource.

the class BytecodeEGWalkerExecuteTest method test_dup2_long_double.

@Test
public void test_dup2_long_double() throws Exception {
    SymbolicValue longSv = new SymbolicValue();
    SymbolicValue another = new SymbolicValue();
    ProgramState startingState = ProgramState.EMPTY_STATE.stackValue(another).stackValue(longSv);
    startingState = setDoubleOrLong(startingState, longSv, true);
    ProgramState programState = execute(new Instruction(Opcodes.DUP2), startingState);
    ProgramState.Pop pop = programState.unstackValue(4);
    assertThat(pop.values).containsExactly(longSv, longSv, another);
}

Example 22 with ProgramState

use of org.sonar.java.se.ProgramState in project sonar-java by SonarSource.

the class BytecodeEGWalkerExecuteTest method test_store.

@Test
public void test_store() throws Exception {
    int[] storeOpcodes = new int[] { Opcodes.ISTORE, Opcodes.LSTORE, Opcodes.FSTORE, Opcodes.DSTORE, Opcodes.ASTORE };
    SymbolicValue sv = new SymbolicValue();
    ProgramState startState = ProgramState.EMPTY_STATE.stackValue(sv);
    for (int opcode : storeOpcodes) {
        ProgramState programState = execute(new Instruction(opcode, 67), startState);
        assertThat(programState.getValue(67)).isEqualTo(sv);
    }
}

Example 23 with ProgramState

use of org.sonar.java.se.ProgramState in project sonar-java by SonarSource.

the class BytecodeEGWalkerExecuteTest method test_fconst.

@Test
public void test_fconst() throws Exception {
    ProgramState programState = execute(new Instruction(Opcodes.FCONST_0));
    assertStack(programState, new Constraint[][] { { DivisionByZeroCheck.ZeroConstraint.ZERO, BooleanConstraint.FALSE, ObjectConstraint.NOT_NULL } });
    programState = execute(new Instruction(Opcodes.FCONST_1));
    assertStack(programState, new Constraint[][] { { DivisionByZeroCheck.ZeroConstraint.NON_ZERO, BooleanConstraint.TRUE, ObjectConstraint.NOT_NULL } });
    programState = execute(new Instruction(Opcodes.FCONST_2));
    assertStack(programState, new Constraint[][] { { DivisionByZeroCheck.ZeroConstraint.NON_ZERO, ObjectConstraint.NOT_NULL } });
}

Example 24 with ProgramState

use of org.sonar.java.se.ProgramState in project sonar-java by SonarSource.

the class BytecodeEGWalkerExecuteTest method test_invoke_dynamic.

@Test
public void test_invoke_dynamic() throws Exception {
    SymbolicValue lambdaArg = new SymbolicValue();
    ProgramState programState = execute(new Instruction.InvokeDynamicInsn("(I)Ljava/util/function/Supplier;"), ProgramState.EMPTY_STATE.stackValue(lambdaArg));
    assertStack(programState, ObjectConstraint.NOT_NULL);
    assertThat(programState.peekValue()).isNotEqualTo(lambdaArg);
    programState = execute(new Instruction.InvokeDynamicInsn("()Ljava/util/function/Supplier;"), ProgramState.EMPTY_STATE);
    assertStack(programState, ObjectConstraint.NOT_NULL);
    assertThatThrownBy(() -> execute(new Instruction.InvokeDynamicInsn("()V"), ProgramState.EMPTY_STATE)).hasMessage("Lambda should always evaluate to target functional interface");
}

Example 25 with ProgramState

use of org.sonar.java.se.ProgramState in project sonar-java by SonarSource.

the class BytecodeEGWalkerExecuteTest method test_pop.

@Test
public void test_pop() throws Exception {
    SymbolicValue sv1 = new SymbolicValue();
    SymbolicValue sv2 = new SymbolicValue();
    ProgramState programState = execute(new Instruction(Opcodes.POP), ProgramState.EMPTY_STATE.stackValue(sv1).stackValue(sv2));
    assertThat(programState.peekValue()).isEqualTo(sv1);
    programState = execute(new Instruction(Opcodes.POP));
    assertEmptyStack(programState);
}