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

Example 26 with ProgramState

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

the class BytecodeEGWalkerExecuteTest method test_conversion.

@Test
public void test_conversion() throws Exception {
    int[] toLongOrDouble = { Opcodes.I2D, Opcodes.I2L, Opcodes.F2D, Opcodes.F2L };
    for (int opcode : toLongOrDouble) {
        SymbolicValue sv = new SymbolicValue();
        ProgramState initialPs = ProgramState.EMPTY_STATE.stackValue(sv);
        ProgramState ps = execute(new Instruction(opcode), initialPs);
        assertThat(isDoubleOrLong(ps, sv)).isTrue();
        assertThatThrownBy(() -> execute(new Instruction(opcode))).hasMessage(Printer.OPCODES[opcode] + " needs value on stack");
    }
    int[] fromLongOrDouble = { Opcodes.D2F, Opcodes.D2I, Opcodes.L2F, Opcodes.L2I };
    for (int opcode : fromLongOrDouble) {
        SymbolicValue sv = new SymbolicValue();
        ProgramState initialPs = ProgramState.EMPTY_STATE.stackValue(sv);
        initialPs = setDoubleOrLong(initialPs, sv, true);
        ProgramState ps = execute(new Instruction(opcode), initialPs);
        assertThat(isDoubleOrLong(ps, sv)).isFalse();
        assertThatThrownBy(() -> execute(new Instruction(opcode))).hasMessage(Printer.OPCODES[opcode] + " needs value on stack");
    }
}

Example 27 with ProgramState

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

the class BytecodeEGWalkerExecuteTest method test_dup_x1.

@Test
public void test_dup_x1() throws Exception {
    SymbolicValue sv1 = new SymbolicValue();
    SymbolicValue sv2 = new SymbolicValue();
    SymbolicValue sv3 = new SymbolicValue();
    ProgramState programState = execute(new Instruction(Opcodes.DUP_X1), ProgramState.EMPTY_STATE.stackValue(sv3).stackValue(sv2).stackValue(sv1));
    ProgramState.Pop pop = programState.unstackValue(4);
    assertThat(pop.values).containsExactly(sv1, sv2, sv1, sv3);
    assertThat(pop.state).isEqualTo(ProgramState.EMPTY_STATE);
    assertThatThrownBy(() -> execute(new Instruction(Opcodes.DUP_X1), ProgramState.EMPTY_STATE.stackValue(sv1))).hasMessage("DUP_X1 needs 2 values on stack");
}

Example 28 with ProgramState

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

the class BytecodeEGWalkerExecuteTest method test_swap.

@Test
public void test_swap() throws Exception {
    SymbolicValue sv1 = new SymbolicValue();
    SymbolicValue sv2 = new SymbolicValue();
    ProgramState programState = execute(new Instruction(Opcodes.SWAP), ProgramState.EMPTY_STATE.stackValue(sv1).stackValue(sv2));
    ProgramState.Pop pop = programState.unstackValue(2);
    assertThat(pop.values).containsExactly(sv1, sv2);
    assertThat(pop.state).isEqualTo(ProgramState.EMPTY_STATE);
    assertThatThrownBy(() -> execute(new Instruction(Opcodes.SWAP), ProgramState.EMPTY_STATE.stackValue(sv1))).hasMessage("SWAP needs 2 values on stack");
}

Example 29 with ProgramState

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

the class BytecodeEGWalkerExecuteTest method test_dup2_x1_long_double.

@Test
public void test_dup2_x1_long_double() throws Exception {
    SymbolicValue normalSv = new SymbolicValue();
    SymbolicValue longSv = new SymbolicValue();
    SymbolicValue another = new SymbolicValue();
    ProgramState startingState = ProgramState.EMPTY_STATE.stackValue(another).stackValue(normalSv).stackValue(longSv);
    startingState = setDoubleOrLong(startingState, longSv, true);
    ProgramState programState = execute(new Instruction(Opcodes.DUP2_X1), startingState);
    ProgramState.Pop pop = programState.unstackValue(5);
    assertThat(pop.values).containsExactly(longSv, normalSv, longSv, another);
}

Example 30 with ProgramState

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

the class BytecodeEGWalkerExecuteTest method test_putstatic.

@Test
public void test_putstatic() throws Exception {
    ProgramState programState = execute(new Instruction(Opcodes.PUTSTATIC), ProgramState.EMPTY_STATE.stackValue(new SymbolicValue()));
    assertThat(programState.peekValue()).isNull();
}